20221203131 has 8 divisors (see below), whose sum is σ = 21321024000. Its totient is φ = 19124937000.

The previous prime is 20221203109. The next prime is 20221203161. The reversal of 20221203131 is 13130212202.

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

It is a cyclic number.

It is not a de Polignac number, because 20221203131 - 2¹⁰ = 20221202107 is a prime.

It is a super-2 number, since 2×20221203131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221203161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876995 + ... + 899756.

It is an arithmetic number, because the mean of its divisors is an integer number (2665128000).

Almost surely, 2^20221203131 is an apocalyptic number.

20221203131 is a deficient number, since it is larger than the sum of its proper divisors (1099820869).

20221203131 is a wasteful number, since it uses less digits than its factorization.

20221203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777369.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20221203131 its reverse (13130212202), we get a palindrome (33351415333).

The spelling of 20221203131 in words is "twenty billion, two hundred twenty-one million, two hundred three thousand, one hundred thirty-one".