20227412164 has 6 divisors (see below), whose sum is σ = 35397971294. Its totient is φ = 10113706080.

The previous prime is 20227412063. The next prime is 20227412173. The reversal of 20227412164 is 46121472202.

It can be written as a sum of positive squares in only one way, i.e., 19743060100 + 484352064 = 140510^2 + 22008^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528426517 + ... + 2528426524.

Almost surely, 2^20227412164 is an apocalyptic number.

It is an amenable number.

20227412164 is a deficient number, since it is larger than the sum of its proper divisors (15170559130).

20227412164 is a wasteful number, since it uses less digits than its factorization.

20227412164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056853045 (or 5056853043 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 20227412164 its reverse (46121472202), we get a palindrome (66348884366).

The spelling of 20227412164 in words is "twenty billion, two hundred twenty-seven million, four hundred twelve thousand, one hundred sixty-four".