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20022302000 = 245313176421
BaseRepresentation
bin10010101001011011…
…000001010100110000
31220200101111022211202
4102221123001110300
5312001202131000
613110443230332
71306112521211
oct225133012460
956611438752
1020022302000
118545081928
123a695183a8
131b711b5a9c
14d7d24d408
157c2bc3dd5
hex4a96c1530

20022302000 has 80 divisors (see below), whose sum is σ = 48784136544. Its totient is φ = 7947680000.

The previous prime is 20022301997. The next prime is 20022302021. The reversal of 20022302000 is 20322002.

It is a tau number, because it is divible by the number of its divisors (80).

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, 223790 + ... + 300210.

Almost surely, 220022302000 is an apocalyptic number.

20022302000 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 20022302000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24392068272).

20022302000 is an abundant number, since it is smaller than the sum of its proper divisors (28761834544).

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

20022302000 is a wasteful number, since it uses less digits than its factorization.

20022302000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76575 (or 76559 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 20022302000 its reverse (20322002), we get a palindrome (20042624002).

The spelling of 20022302000 in words is "twenty billion, twenty-two million, three hundred two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 131 200 250 262 400 500 524 655 1000 1048 1310 2000 2096 2620 3275 5240 6550 10480 13100 16375 26200 32750 52400 65500 76421 131000 152842 262000 305684 382105 611368 764210 1222736 1528420 1910525 3056840 3821050 6113680 7642100 9552625 10011151 15284200 19105250 20022302 30568400 38210500 40044604 50055755 76421000 80089208 100111510 152842000 160178416 200223020 250278775 400446040 500557550 800892080 1001115100 1251393875 2002230200 2502787750 4004460400 5005575500 10011151000 20022302000