20120948373931 has 4 divisors (see below), whose sum is σ = 20123518435200. Its totient is φ = 20118378312664.

The previous prime is 20120948373887. The next prime is 20120948373943. The reversal of 20120948373931 is 13937384902102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20120948373931 - 2²⁷ = 20120814156203 is a prime.

It is a super-2 number, since 2×20120948373931² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120948370931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285018891 + ... + 1285034548.

It is an arithmetic number, because the mean of its divisors is an integer number (5030879608800).

Almost surely, 2^{20120948373931} is an apocalyptic number.

20120948373931 is a deficient number, since it is larger than the sum of its proper divisors (2570061269).

20120948373931 is an equidigital number, since it uses as much as digits as its factorization.

20120948373931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570061268.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 20120948373931 in words is "twenty trillion, one hundred twenty billion, nine hundred forty-eight million, three hundred seventy-three thousand, nine hundred thirty-one".