20331023622 has 64 divisors (see below), whose sum is σ = 52989479424. Its totient is φ = 5046612480.

The previous prime is 20331023621. The next prime is 20331023641. The reversal of 20331023622 is 22632013302.

It is a junction number, because it is equal to n+sod(n) for n = 20331023592 and 20331023601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331023621) 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, 1085904 + ... + 1104467.

It is an arithmetic number, because the mean of its divisors is an integer number (827960616).

Almost surely, 2^20331023622 is an apocalyptic number.

20331023622 is an abundant number, since it is smaller than the sum of its proper divisors (32658455802).

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

20331023622 is a wasteful number, since it uses less digits than its factorization.

20331023622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190413.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20331023622 its reverse (22632013302), we get a palindrome (42963036924).

The spelling of 20331023622 in words is "twenty billion, three hundred thirty-one million, twenty-three thousand, six hundred twenty-two".