20024900902804 has 18 divisors (see below), whose sum is σ = 40764976838250. Its totient is φ = 8582100386832.

The previous prime is 20024900902663. The next prime is 20024900902807. The reversal of 20024900902804 is 40820900942002.

It can be written as a sum of positive squares in only one way, i.e., 17925502757904 + 2099398144900 = 4233852^2 + 1448930^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024900902807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51083930679 + ... + 51083931070.

Almost surely, 2^{20024900902804} is an apocalyptic number.

It is an amenable number.

20024900902804 is an abundant number, since it is smaller than the sum of its proper divisors (20740075935446).

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

20024900902804 is a wasteful number, since it uses less digits than its factorization.

20024900902804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102167861767 (or 102167861758 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 20024900902804 in words is "twenty trillion, twenty-four billion, nine hundred million, nine hundred two thousand, eight hundred four".