20322232131 has 8 divisors (see below), whose sum is σ = 27110349504. Its totient is φ = 13541134760.

The previous prime is 20322232109. The next prime is 20322232141. The reversal of 20322232131 is 13123222302.

It is a happy number.

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 20322232131 - 2⁹ = 20322231619 is a prime.

It is a super-2 number, since 2×20322232131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20322232098 and 20322232107.

It is not an unprimeable number, because it can be changed into a prime (20322232141) 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, 1748241 + ... + 1759826.

It is an arithmetic number, because the mean of its divisors is an integer number (3388793688).

Almost surely, 2^20322232131 is an apocalyptic number.

20322232131 is a deficient number, since it is larger than the sum of its proper divisors (6788117373).

20322232131 is a wasteful number, since it uses less digits than its factorization.

20322232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510001.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20322232131 its reverse (13123222302), we get a palindrome (33445454433).

The spelling of 20322232131 in words is "twenty billion, three hundred twenty-two million, two hundred thirty-two thousand, one hundred thirty-one".