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20303101120 = 265677911987
BaseRepresentation
bin10010111010001010…
…001011110011000000
31221101221212101211011
4102322022023303000
5313040043213440
613154353530304
71316062340431
oct227212136300
957357771734
1020303101120
118679631415
123b27573994
131bb7420103
14da8665488
157dc68d9ea
hex4ba28bcc0

20303101120 has 112 divisors (see below), whose sum is σ = 49693616640. Its totient is φ = 7898102784.

The previous prime is 20303101097. The next prime is 20303101151. The reversal of 20303101120 is 2110130302.

It is a self number, because there is not a number n which added to its sum of digits gives 20303101120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687767 + ... + 1699753.

Almost surely, 220303101120 is an apocalyptic number.

20303101120 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 20303101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24846808320).

20303101120 is an abundant number, since it is smaller than the sum of its proper divisors (29390515520).

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

20303101120 is a wasteful number, since it uses less digits than its factorization.

20303101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150 (or 12140 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20303101120 its reverse (2110130302), we get a palindrome (22413231422).

The spelling of 20303101120 in words is "twenty billion, three hundred three million, one hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 67 79 80 134 158 160 268 316 320 335 395 536 632 670 790 1072 1264 1340 1580 2144 2528 2680 3160 4288 5056 5293 5360 6320 10586 10720 11987 12640 21172 21440 23974 25280 26465 42344 47948 52930 59935 84688 95896 105860 119870 169376 191792 211720 239740 338752 383584 423440 479480 767168 803129 846880 946973 958960 1606258 1693760 1893946 1917920 3212516 3787892 3835840 4015645 4734865 6425032 7575784 8031290 9469730 12850064 15151568 16062580 18939460 25700128 30303136 32125160 37878920 51400256 60606272 63447191 64250320 75757840 126894382 128500640 151515680 253788764 257001280 303031360 317235955 507577528 634471910 1015155056 1268943820 2030310112 2537887640 4060620224 5075775280 10151550560 20303101120