20415656102044 has 24 divisors (see below), whose sum is σ = 42606586649088. Its totient is φ = 8369150948400.

The previous prime is 20415656102041. The next prime is 20415656102047. The reversal of 20415656102044 is 44020165651402.

It is an interprime number because it is at equal distance from previous prime (20415656102041) and next prime (20415656102047).

It is a junction number, because it is equal to n+sod(n) for n = 20415656101988 and 20415656102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415656102041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15850664032 + ... + 15850665319.

It is an arithmetic number, because the mean of its divisors is an integer number (1775274443712).

Almost surely, 2^{20415656102044} is an apocalyptic number.

It is an amenable number.

20415656102044 is an abundant number, since it is smaller than the sum of its proper divisors (22190930547044).

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

20415656102044 is a wasteful number, since it uses less digits than its factorization.

20415656102044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31701329385 (or 31701329383 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 20415656102044 in words is "twenty trillion, four hundred fifteen billion, six hundred fifty-six million, one hundred two thousand, forty-four".