20315100350512 has 20 divisors (see below), whose sum is σ = 42938734832136. Its totient is φ = 9234136522880.

The previous prime is 20315100350459. The next prime is 20315100350527. The reversal of 20315100350512 is 21505300151302.

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, 57713353093 + ... + 57713353444.

Almost surely, 2^{20315100350512} is an apocalyptic number.

20315100350512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20315100350512 is an abundant number, since it is smaller than the sum of its proper divisors (22623634481624).

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

20315100350512 is a wasteful number, since it uses less digits than its factorization.

20315100350512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115426706556 (or 115426706550 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 20315100350512 in words is "twenty trillion, three hundred fifteen billion, one hundred million, three hundred fifty thousand, five hundred twelve".