2020345231 has 4 divisors (see below), whose sum is σ = 2108186352. Its totient is φ = 1932504112.

The previous prime is 2020345211. The next prime is 2020345279. The reversal of 2020345231 is 1325430202.

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 2020345231 - 2⁵ = 2020345199 is a prime.

It is a super-2 number, since 2×2020345231² = 8163589704848886722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020345211) 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, 43920526 + ... + 43920571.

It is an arithmetic number, because the mean of its divisors is an integer number (527046588).

Almost surely, 2^2020345231 is an apocalyptic number.

2020345231 is a deficient number, since it is larger than the sum of its proper divisors (87841121).

2020345231 is an equidigital number, since it uses as much as digits as its factorization.

2020345231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87841120.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2020345231 is about 44948.2505888716. The cubic root of 2020345231 is about 1264.1788754273.

Adding to 2020345231 its reverse (1325430202), we get a palindrome (3345775433).

The spelling of 2020345231 in words is "two billion, twenty million, three hundred forty-five thousand, two hundred thirty-one".