20202112203231 has 8 divisors (see below), whose sum is σ = 30784170976384. Its totient is φ = 11544064116120.

The previous prime is 20202112203173. The next prime is 20202112203283. The reversal of 20202112203231 is 13230221120202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20202112203231 - 2¹⁷ = 20202112072159 is a prime.

It is a super-2 number, since 2×20202112203231² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 962005343011 = 20202112203231 / (2 + 0 + 2 + 0 + 2 + 1 + 1 + 2 + 2 + 0 + 3 + 2 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 20202112203198 and 20202112203207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202112283231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481002671485 + ... + 481002671526.

It is an arithmetic number, because the mean of its divisors is an integer number (3848021372048).

Almost surely, 2^{20202112203231} is an apocalyptic number.

20202112203231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20202112203231 is a deficient number, since it is larger than the sum of its proper divisors (10582058773153).

20202112203231 is an equidigital number, since it uses as much as digits as its factorization.

20202112203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962005343021.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20202112203231 its reverse (13230221120202), we get a palindrome (33432333323433).

The spelling of 20202112203231 in words is "twenty trillion, two hundred two billion, one hundred twelve million, two hundred three thousand, two hundred thirty-one".