20315636525020 has 12 divisors (see below), whose sum is σ = 42662836702584. Its totient is φ = 8126254610000.

The previous prime is 20315636524973. The next prime is 20315636525059. The reversal of 20315636525020 is 2052563651302.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 507890913106 + ... + 507890913145.

It is an arithmetic number, because the mean of its divisors is an integer number (3555236391882).

Almost surely, 2^{20315636525020} is an apocalyptic number.

20315636525020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20315636525020 is an abundant number, since it is smaller than the sum of its proper divisors (22347200177564).

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

20315636525020 is a wasteful number, since it uses less digits than its factorization.

20315636525020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015781826260 (or 1015781826258 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 20315636525020 in words is "twenty trillion, three hundred fifteen billion, six hundred thirty-six million, five hundred twenty-five thousand, twenty".