2020400131 has 4 divisors (see below), whose sum is σ = 2126737000. Its totient is φ = 1914063264.

The previous prime is 2020400117. The next prime is 2020400141. The reversal of 2020400131 is 1310040202.

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 2020400131 - 2¹³ = 2020391939 is a prime.

It is a super-2 number, since 2×2020400131² = 8164033378689634322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020400141) 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, 53168406 + ... + 53168443.

It is an arithmetic number, because the mean of its divisors is an integer number (531684250).

Almost surely, 2^2020400131 is an apocalyptic number.

2020400131 is a deficient number, since it is larger than the sum of its proper divisors (106336869).

2020400131 is a wasteful number, since it uses less digits than its factorization.

2020400131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106336868.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2020400131 is about 44948.8612870226. The cubic root of 2020400131 is about 1264.1903260761.

Adding to 2020400131 its reverse (1310040202), we get a palindrome (3330440333).

The spelling of 2020400131 in words is "two billion, twenty million, four hundred thousand, one hundred thirty-one".