20005055502 has 32 divisors (see below), whose sum is σ = 42213726720. Its totient is φ = 6302712960.

The previous prime is 20005055459. The next prime is 20005055599. The reversal of 20005055502 is 20555050002.

It is a congruent number.

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, 154443 + ... + 252710.

It is an arithmetic number, because the mean of its divisors is an integer number (1319178960).

Almost surely, 2^20005055502 is an apocalyptic number.

20005055502 is an abundant number, since it is smaller than the sum of its proper divisors (22208671218).

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

20005055502 is a wasteful number, since it uses less digits than its factorization.

20005055502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407608.

The product of its (nonzero) digits is 2500, while the sum is 24.

It can be divided in two parts, 200050 and 55502, that added together give a palindrome (255552).

The spelling of 20005055502 in words is "twenty billion, five million, fifty-five thousand, five hundred two".