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20202102000 = 243353616133
BaseRepresentation
bin10010110100001000…
…111001110011110000
31221010220211010002000
4102310020321303300
5312333214231000
613140345054000
71313425014363
oct226410716360
957126733060
1020202102000
118627618273
123ab9787300
131b9c519912
14d990940da
157d388d000
hex4b4239cf0

20202102000 has 320 divisors, whose sum is σ = 73566779520. Its totient is φ = 5298048000.

The previous prime is 20202101999. The next prime is 20202102023. The reversal of 20202102000 is 20120202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3290934 + ... + 3297066.

It is an arithmetic number, because the mean of its divisors is an integer number (229896186).

Almost surely, 220202102000 is an apocalyptic number.

20202102000 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 20202102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36783389760).

20202102000 is an abundant number, since it is smaller than the sum of its proper divisors (53364677520).

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

20202102000 is a wasteful number, since it uses less digits than its factorization.

20202102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226 (or 6204 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20202102000 its reverse (20120202), we get a palindrome (20222222202).

The spelling of 20202102000 in words is "twenty billion, two hundred two million, one hundred two thousand".