20269425700 has 18 divisors (see below), whose sum is σ = 43984653986. Its totient is φ = 8107770240.

The previous prime is 20269425689. The next prime is 20269425721. The reversal of 20269425700 is 752496202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3375145216 + 16894280484 = 58096^2 + 129978^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20269425700.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101347029 + ... + 101347228.

Almost surely, 2^20269425700 is an apocalyptic number.

20269425700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20269425700 is an abundant number, since it is smaller than the sum of its proper divisors (23715228286).

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

20269425700 is a wasteful number, since it uses less digits than its factorization.

20269425700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202694271 (or 202694264 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 20269425700 in words is "twenty billion, two hundred sixty-nine million, four hundred twenty-five thousand, seven hundred".