20302031022 has 64 divisors (see below), whose sum is σ = 50658908160. Its totient is φ = 5281023744.

The previous prime is 20302030999. The next prime is 20302031027. The reversal of 20302031022 is 22013020302.

It is a junction number, because it is equal to n+sod(n) for n = 20302030992 and 20302031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302031027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214822 + ... + 294537.

It is an arithmetic number, because the mean of its divisors is an integer number (791545440).

Almost surely, 2^20302031022 is an apocalyptic number.

20302031022 is an abundant number, since it is smaller than the sum of its proper divisors (30356877138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20302031022 is a wasteful number, since it uses less digits than its factorization.

20302031022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509457.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20302031022 its reverse (22013020302), we get a palindrome (42315051324).

The spelling of 20302031022 in words is "twenty billion, three hundred two million, thirty-one thousand, twenty-two".