20502034120 has 32 divisors (see below), whose sum is σ = 46885804920. Its totient is φ = 8066373120.

The previous prime is 20502034117. The next prime is 20502034177. The reversal of 20502034120 is 2143020502.

It can be written as a sum of positive squares in 4 ways, for example, as 16766624196 + 3735409924 = 129486^2 + 61118^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4198797 + ... + 4203676.

Almost surely, 2^20502034120 is an apocalyptic number.

20502034120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20502034120 is an abundant number, since it is smaller than the sum of its proper divisors (26383770800).

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

20502034120 is a wasteful number, since it uses less digits than its factorization.

20502034120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402545 (or 8402541 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20502034120 its reverse (2143020502), we get a palindrome (22645054622).

The spelling of 20502034120 in words is "twenty billion, five hundred two million, thirty-four thousand, one hundred twenty".