20625065502 has 16 divisors (see below), whose sum is σ = 41252289552. Its totient is φ = 6874662080.

The previous prime is 20625065491. The next prime is 20625065519. The reversal of 20625065502 is 20556052602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51352 + ... + 209492.

It is an arithmetic number, because the mean of its divisors is an integer number (2578268097).

Almost surely, 2^20625065502 is an apocalyptic number.

20625065502 is an abundant number, since it is smaller than the sum of its proper divisors (20627224050).

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

20625065502 is a wasteful number, since it uses less digits than its factorization.

20625065502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179883.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 20625065502 in words is "twenty billion, six hundred twenty-five million, sixty-five thousand, five hundred two".