2020100331 has 16 divisors (see below), whose sum is σ = 2705665664. Its totient is φ = 1340648064.

The previous prime is 2020100321. The next prime is 2020100333. The reversal of 2020100331 is 1330010202.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2020100331 is a prime.

It is a super-2 number, since 2×2020100331² = 8161610694612619122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020100333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915876 + ... + 918078.

It is an arithmetic number, because the mean of its divisors is an integer number (169104104).

Almost surely, 2^2020100331 is an apocalyptic number.

2020100331 is a deficient number, since it is larger than the sum of its proper divisors (685565333).

2020100331 is a wasteful number, since it uses less digits than its factorization.

2020100331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2020100331 is about 44945.5262623545. The cubic root of 2020100331 is about 1264.1277934121.

Adding to 2020100331 its reverse (1330010202), we get a palindrome (3350110533).

The spelling of 2020100331 in words is "two billion, twenty million, one hundred thousand, three hundred thirty-one".