20243332202131 has 4 divisors (see below), whose sum is σ = 20249337347064. Its totient is φ = 20237327057200.

The previous prime is 20243332202063. The next prime is 20243332202141. The reversal of 20243332202131 is 13120223334202.

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 20243332202131 - 2¹⁵ = 20243332169363 is a prime.

It is a super-2 number, since 2×20243332202131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20243332202131.

It is not an unprimeable number, because it can be changed into a prime (20243332202141) 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, 3002567410 + ... + 3002574151.

It is an arithmetic number, because the mean of its divisors is an integer number (5062334336766).

Almost surely, 2^{20243332202131} is an apocalyptic number.

20243332202131 is a deficient number, since it is larger than the sum of its proper divisors (6005144933).

20243332202131 is an equidigital number, since it uses as much as digits as its factorization.

20243332202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005144932.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20243332202131 its reverse (13120223334202), we get a palindrome (33363555536333).

The spelling of 20243332202131 in words is "twenty trillion, two hundred forty-three billion, three hundred thirty-two million, two hundred two thousand, one hundred thirty-one".