20322323031 has 8 divisors (see below), whose sum is σ = 28522558720. Its totient is φ = 12835151352.

The previous prime is 20322323029. The next prime is 20322323053. The reversal of 20322323031 is 13032322302.

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

It is not a de Polignac number, because 20322323031 - 2¹ = 20322323029 is a prime.

It is a super-2 number, since 2×20322323031² (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 = 20322322989 and 20322323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322323531) 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, 178265935 + ... + 178266048.

It is an arithmetic number, because the mean of its divisors is an integer number (3565319840).

Almost surely, 2^20322323031 is an apocalyptic number.

20322323031 is a deficient number, since it is larger than the sum of its proper divisors (8200235689).

20322323031 is a wasteful number, since it uses less digits than its factorization.

20322323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356532005.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20322323031 its reverse (13032322302), we get a palindrome (33354645333).

The spelling of 20322323031 in words is "twenty billion, three hundred twenty-two million, three hundred twenty-three thousand, thirty-one".