20002551360 has 112 divisors (see below), whose sum is σ = 69281600832. Its totient is φ = 4849100800.

The previous prime is 20002551347. The next prime is 20002551391. The reversal of 20002551360 is 6315520002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20002551360.

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, 936531 + ... + 957650.

Almost surely, 2^20002551360 is an apocalyptic number.

20002551360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002551360 is an abundant number, since it is smaller than the sum of its proper divisors (49279049472).

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

20002551360 is a wasteful number, since it uses less digits than its factorization.

20002551360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894212 (or 1894202 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 20002551360 in words is "twenty billion, two million, five hundred fifty-one thousand, three hundred sixty".