20625862602 has 32 divisors (see below), whose sum is σ = 42600789504. Its totient is φ = 6652497600.

The previous prime is 20625862583. The next prime is 20625862603. The reversal of 20625862602 is 20626852602.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20625862603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216474 + ... + 296837.

It is an arithmetic number, because the mean of its divisors is an integer number (1331274672).

Almost surely, 2^20625862602 is an apocalyptic number.

20625862602 is an abundant number, since it is smaller than the sum of its proper divisors (21974926902).

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

20625862602 is a wasteful number, since it uses less digits than its factorization.

20625862602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513534.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 20625862602 in words is "twenty billion, six hundred twenty-five million, eight hundred sixty-two thousand, six hundred two".