20306502365020 has 12 divisors (see below), whose sum is σ = 42643654966584. Its totient is φ = 8122600946000.

The previous prime is 20306502364913. The next prime is 20306502365047. The reversal of 20306502365020 is 2056320560302.

It is a congruent number.

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, 507662559106 + ... + 507662559145.

It is an arithmetic number, because the mean of its divisors is an integer number (3553637913882).

Almost surely, 2^{20306502365020} is an apocalyptic number.

20306502365020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20306502365020 is an abundant number, since it is smaller than the sum of its proper divisors (22337152601564).

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

20306502365020 is a wasteful number, since it uses less digits than its factorization.

20306502365020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015325118260 (or 1015325118258 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 20306502365020 in words is "twenty trillion, three hundred six billion, five hundred two million, three hundred sixty-five thousand, twenty".