20322130031 has 16 divisors (see below), whose sum is σ = 23359288128. Its totient is φ = 17318707200.

The previous prime is 20322130019. The next prime is 20322130061. The reversal of 20322130031 is 13003122302.

It is a cyclic number.

It is not a de Polignac number, because 20322130031 - 2²² = 20317935727 is a prime.

It is a super-2 number, since 2×20322130031² (a number of 21 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 = 20322129991 and 20322130009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322130061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071971 + ... + 1090763.

It is an arithmetic number, because the mean of its divisors is an integer number (1459955508).

Almost surely, 2^20322130031 is an apocalyptic number.

20322130031 is a deficient number, since it is larger than the sum of its proper divisors (3037158097).

20322130031 is a wasteful number, since it uses less digits than its factorization.

20322130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19682.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20322130031 its reverse (13003122302), we get a palindrome (33325252333).

The spelling of 20322130031 in words is "twenty billion, three hundred twenty-two million, one hundred thirty thousand, thirty-one".