20265802700 has 72 divisors (see below), whose sum is σ = 51665078640. Its totient is φ = 6802502400.

The previous prime is 20265802699. The next prime is 20265802703. The reversal of 20265802700 is 720856202.

It is not an unprimeable number, because it can be changed into a prime (20265802703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 694295 + ... + 722894.

Almost surely, 2^20265802700 is an apocalyptic number.

20265802700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20265802700 is an abundant number, since it is smaller than the sum of its proper divisors (31399275940).

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

20265802700 is a wasteful number, since it uses less digits than its factorization.

20265802700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417227 (or 1417220 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 20265802700 in words is "twenty billion, two hundred sixty-five million, eight hundred two thousand, seven hundred".