20623643322 has 32 divisors (see below), whose sum is σ = 41436002304. Its totient is φ = 6843144000.

The previous prime is 20623643321. The next prime is 20623643329. The reversal of 20623643322 is 22334632602.

It is not an unprimeable number, because it can be changed into a prime (20623643321) 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, 1907572 + ... + 1918352.

It is an arithmetic number, because the mean of its divisors is an integer number (1294875072).

Almost surely, 2^20623643322 is an apocalyptic number.

20623643322 is an abundant number, since it is smaller than the sum of its proper divisors (20812358982).

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

20623643322 is a wasteful number, since it uses less digits than its factorization.

20623643322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12214.

The product of its (nonzero) digits is 62208, while the sum is 33.

The spelling of 20623643322 in words is "twenty billion, six hundred twenty-three million, six hundred forty-three thousand, three hundred twenty-two".