20500050192507 has 32 divisors (see below), whose sum is σ = 31712621222400. Its totient is φ = 13063535296416.

The previous prime is 20500050192499. The next prime is 20500050192511. The reversal of 20500050192507 is 70529105000502.

It is not a de Polignac number, because 20500050192507 - 2³ = 20500050192499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20500050190507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10406968 + ... + 12219045.

It is an arithmetic number, because the mean of its divisors is an integer number (991019413200).

Almost surely, 2^{20500050192507} is an apocalyptic number.

20500050192507 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20500050192507 is a deficient number, since it is larger than the sum of its proper divisors (11212571029893).

20500050192507 is a wasteful number, since it uses less digits than its factorization.

20500050192507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22627504 (or 22627498 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 20500050192507 in words is "twenty trillion, five hundred billion, fifty million, one hundred ninety-two thousand, five hundred seven".