20322023031 has 6 divisors (see below), whose sum is σ = 29354033280. Its totient is φ = 13548015348.

The previous prime is 20322023011. The next prime is 20322023069. The reversal of 20322023031 is 13032022302.

It is a happy number.

It is not a de Polignac number, because 20322023031 - 2⁶ = 20322022967 is a prime.

It is a super-2 number, since 2×20322023031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20322022995 and 20322023013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322023011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129001271 + ... + 1129001288.

It is an arithmetic number, because the mean of its divisors is an integer number (4892338880).

Almost surely, 2^20322023031 is an apocalyptic number.

20322023031 is a deficient number, since it is larger than the sum of its proper divisors (9032010249).

20322023031 is a wasteful number, since it uses less digits than its factorization.

20322023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258002565 (or 2258002562 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20322023031 its reverse (13032022302), we get a palindrome (33354045333).

The spelling of 20322023031 in words is "twenty billion, three hundred twenty-two million, twenty-three thousand, thirty-one".