20622972244 has 48 divisors (see below), whose sum is σ = 41685719040. Its totient is φ = 8744313600.

The previous prime is 20622972233. The next prime is 20622972269. The reversal of 20622972244 is 44227922602.

It is a junction number, because it is equal to n+sod(n) for n = 20622972197 and 20622972206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6330264 + ... + 6333520.

It is an arithmetic number, because the mean of its divisors is an integer number (868452480).

Almost surely, 2^20622972244 is an apocalyptic number.

It is an amenable number.

20622972244 is an abundant number, since it is smaller than the sum of its proper divisors (21062746796).

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

20622972244 is a wasteful number, since it uses less digits than its factorization.

20622972244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608 (or 5606 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 20622972244 in words is "twenty billion, six hundred twenty-two million, nine hundred seventy-two thousand, two hundred forty-four".