20322223211031 has 16 divisors (see below), whose sum is σ = 31687364653824. Its totient is φ = 11342636210304.

The previous prime is 20322223211011. The next prime is 20322223211033. The reversal of 20322223211031 is 13011232222302.

It is not a de Polignac number, because 20322223211031 - 2¹⁰ = 20322223210007 is a prime.

It is a super-2 number, since 2×20322223211031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20322223210992 and 20322223211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322223211033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11252614386 + ... + 11252616191.

It is an arithmetic number, because the mean of its divisors is an integer number (1980460290864).

Almost surely, 2^{20322223211031} is an apocalyptic number.

20322223211031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20322223211031 is a deficient number, since it is larger than the sum of its proper divisors (11365141442793).

20322223211031 is a wasteful number, since it uses less digits than its factorization.

20322223211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22505230630.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20322223211031 its reverse (13011232222302), we get a palindrome (33333455433333).

The spelling of 20322223211031 in words is "twenty trillion, three hundred twenty-two billion, two hundred twenty-three million, two hundred eleven thousand, thirty-one".