20313330020 has 12 divisors (see below), whose sum is σ = 42657993084. Its totient is φ = 8125332000.

The previous prime is 20313330019. The next prime is 20313330047. The reversal of 20313330020 is 2003331302.

It can be written as a sum of positive squares in 2 ways, for example, as 15369552676 + 4943777344 = 123974^2 + 70312^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507833231 + ... + 507833270.

It is an arithmetic number, because the mean of its divisors is an integer number (3554832757).

Almost surely, 2^20313330020 is an apocalyptic number.

20313330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313330020 is an abundant number, since it is smaller than the sum of its proper divisors (22344663064).

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

20313330020 is a wasteful number, since it uses less digits than its factorization.

20313330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015666510 (or 1015666508 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20313330020 its reverse (2003331302), we get a palindrome (22316661322).

The spelling of 20313330020 in words is "twenty billion, three hundred thirteen million, three hundred thirty thousand, twenty".