20202012112331 has 4 divisors (see below), whose sum is σ = 23088013842672. Its totient is φ = 17316010381992.

The previous prime is 20202012112301. The next prime is 20202012112349. The reversal of 20202012112331 is 13321121020202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20202012112331 - 2¹⁸ = 20202011850187 is a prime.

It is a super-2 number, since 2×20202012112331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202012112301) 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, 1443000865160 + ... + 1443000865173.

It is an arithmetic number, because the mean of its divisors is an integer number (5772003460668).

Almost surely, 2^{20202012112331} is an apocalyptic number.

20202012112331 is a deficient number, since it is larger than the sum of its proper divisors (2886001730341).

20202012112331 is an equidigital number, since it uses as much as digits as its factorization.

20202012112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886001730340.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20202012112331 its reverse (13321121020202), we get a palindrome (33523133132533).

The spelling of 20202012112331 in words is "twenty trillion, two hundred two billion, twelve million, one hundred twelve thousand, three hundred thirty-one".