20220054764 has 24 divisors (see below), whose sum is σ = 43550887968. Its totient is φ = 7999142400.

The previous prime is 20220054763. The next prime is 20220054797. The reversal of 20220054764 is 46745002202.

It is a super-2 number, since 2×20220054764² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20220054764.

It is not an unprimeable number, because it can be changed into a prime (20220054763) 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, 27774437 + ... + 27775164.

It is an arithmetic number, because the mean of its divisors is an integer number (1814620332).

Almost surely, 2^20220054764 is an apocalyptic number.

It is an amenable number.

20220054764 is an abundant number, since it is smaller than the sum of its proper divisors (23330833204).

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

20220054764 is a wasteful number, since it uses less digits than its factorization.

20220054764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55549625 (or 55549623 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 20220054764 its reverse (46745002202), we get a palindrome (66965056966).

The spelling of 20220054764 in words is "twenty billion, two hundred twenty million, fifty-four thousand, seven hundred sixty-four".