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20423022302000 = 2453139311236219
BaseRepresentation
bin1001010010011000110101…
…11111010101001100110000
32200022102101112112222211102
410221030122333111030300
510134102322202131000
6111234112410103532
74205341350166613
oct451143277251460
980272345488742
1020423022302000
11656439a7316aa
12235a150a1aba8
13b51b624bc386
1450869dc7617a
152563b29e73d5
hex12931afd5330

20423022302000 has 160 divisors (see below), whose sum is σ = 49898281305600. Its totient is φ = 8084324832000.

The previous prime is 20423022301943. The next prime is 20423022302041. The reversal of 20423022302000 is 20322032402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86339891 + ... + 86576109.

It is an arithmetic number, because the mean of its divisors is an integer number (311864258160).

Almost surely, 220423022302000 is an apocalyptic number.

20423022302000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20423022302000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24949140652800).

20423022302000 is an abundant number, since it is smaller than the sum of its proper divisors (29475259003600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20423022302000 is a wasteful number, since it uses less digits than its factorization.

20423022302000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236692 (or 236676 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20423022302000 its reverse (20322032402), we get a palindrome (20443344334402).

The spelling of 20423022302000 in words is "twenty trillion, four hundred twenty-three billion, twenty-two million, three hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 139 200 250 278 311 400 500 556 622 695 1000 1112 1244 1390 1555 2000 2224 2488 2780 3110 3475 4976 5560 6220 6950 7775 11120 12440 13900 15550 17375 24880 27800 31100 34750 38875 43229 55600 62200 69500 77750 86458 124400 139000 155500 172916 216145 236219 278000 311000 345832 432290 472438 622000 691664 864580 944876 1080725 1181095 1729160 1889752 2161450 2362190 3458320 3779504 4322900 4724380 5403625 5905475 8645800 9448760 10807250 11810950 17291600 18897520 21614500 23621900 29527375 32834441 43229000 47243800 59054750 65668882 73464109 86458000 94487600 118109500 131337764 146928218 164172205 236219000 262675528 293856436 328344410 367320545 472438000 525351056 587712872 656688820 734641090 820861025 1175425744 1313377640 1469282180 1641722050 1836602725 2626755280 2938564360 3283444100 3673205450 4104305125 5877128720 6566888200 7346410900 8208610250 9183013625 10211511151 13133776400 14692821800 16417220500 18366027250 20423022302 29385643600 32834441000 36732054500 40846044604 51057555755 65668882000 73464109000 81692089208 102115111510 146928218000 163384178416 204230223020 255287778775 408460446040 510575557550 816920892080 1021151115100 1276438893875 2042302230200 2552877787750 4084604460400 5105755575500 10211511151000 20423022302000