20132222044 has 12 divisors (see below), whose sum is σ = 38434242168. Its totient is φ = 9151010000.

The previous prime is 20132222029. The next prime is 20132222051. The reversal of 20132222044 is 44022223102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228775207 + ... + 228775294.

It is an arithmetic number, because the mean of its divisors is an integer number (3202853514).

Almost surely, 2^20132222044 is an apocalyptic number.

It is an amenable number.

20132222044 is a deficient number, since it is larger than the sum of its proper divisors (18302020124).

20132222044 is a wasteful number, since it uses less digits than its factorization.

20132222044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457550516 (or 457550514 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20132222044 its reverse (44022223102), we get a palindrome (64154445146).

The spelling of 20132222044 in words is "twenty billion, one hundred thirty-two million, two hundred twenty-two thousand, forty-four".