22020320102131 has 4 divisors (see below), whose sum is σ = 23714190879232. Its totient is φ = 20326449325032.

The previous prime is 22020320102117. The next prime is 22020320102177. The reversal of 22020320102131 is 13120102302022.

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 22020320102131 - 2¹⁹ = 22020319577843 is a prime.

It is a super-2 number, since 2×22020320102131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020320102099 and 22020320102108.

It is not an unprimeable number, because it can be changed into a prime (22020320105131) 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, 846935388531 + ... + 846935388556.

It is an arithmetic number, because the mean of its divisors is an integer number (5928547719808).

Almost surely, 2^{22020320102131} is an apocalyptic number.

22020320102131 is a deficient number, since it is larger than the sum of its proper divisors (1693870777101).

22020320102131 is a wasteful number, since it uses less digits than its factorization.

22020320102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693870777100.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22020320102131 its reverse (13120102302022), we get a palindrome (35140422404153).

The spelling of 22020320102131 in words is "twenty-two trillion, twenty billion, three hundred twenty million, one hundred two thousand, one hundred thirty-one".