2020113431 has 4 divisors (see below), whose sum is σ = 2308701072. Its totient is φ = 1731525792.

The previous prime is 2020113427. The next prime is 2020113443. The reversal of 2020113431 is 1343110202.

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 2020113431 - 2² = 2020113427 is a prime.

It is a super-2 number, since 2×2020113431² = 8161716548213183522, 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 (2020113401) 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, 144293810 + ... + 144293823.

It is an arithmetic number, because the mean of its divisors is an integer number (577175268).

Almost surely, 2^2020113431 is an apocalyptic number.

2020113431 is a deficient number, since it is larger than the sum of its proper divisors (288587641).

2020113431 is an equidigital number, since it uses as much as digits as its factorization.

2020113431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288587640.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2020113431 is about 44945.6719940864. The cubic root of 2020113431 is about 1264.1305259560.

Adding to 2020113431 its reverse (1343110202), we get a palindrome (3363223633).

The spelling of 2020113431 in words is "two billion, twenty million, one hundred thirteen thousand, four hundred thirty-one".