20547074502 has 96 divisors (see below), whose sum is σ = 45810378432. Its totient is φ = 6654016512.

The previous prime is 20547074479. The next prime is 20547074573.

It is a happy number.

20547074502 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28262463 + ... + 28263189.

It is an arithmetic number, because the mean of its divisors is an integer number (477191442).

Almost surely, 2^20547074502 is an apocalyptic number.

20547074502 is an abundant number, since it is smaller than the sum of its proper divisors (25263303930).

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

20547074502 is a wasteful number, since it uses less digits than its factorization.

20547074502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

It can be divided in two parts, 205470 and 74502, that added together give a palindrome (279972).

The spelling of 20547074502 in words is "twenty billion, five hundred forty-seven million, seventy-four thousand, five hundred two".