2020039931 has 36 divisors (see below), whose sum is σ = 2557487952. Its totient is φ = 1562243904.

The previous prime is 2020039927. The next prime is 2020039937. The reversal of 2020039931 is 1399300202.

It is not a de Polignac number, because 2020039931 - 2² = 2020039927 is a prime.

It is a super-2 number, since 2×2020039931² = 8161122645668969522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020039894 and 2020039903.

It is not an unprimeable number, because it can be changed into a prime (2020039937) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2612861 + ... + 2613633.

It is an arithmetic number, because the mean of its divisors is an integer number (71041332).

Almost surely, 2^2020039931 is an apocalyptic number.

2020039931 is a deficient number, since it is larger than the sum of its proper divisors (537448021).

2020039931 is an equidigital number, since it uses as much as digits as its factorization.

2020039931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 2020039931 is about 44944.8543328377. The cubic root of 2020039931 is about 1264.1151943548.

The spelling of 2020039931 in words is "two billion, twenty million, thirty-nine thousand, nine hundred thirty-one".