20012122332 has 48 divisors (see below), whose sum is σ = 52098631200. Its totient is φ = 6643019520.

The previous prime is 20012122303. The next prime is 20012122337. The reversal of 20012122332 is 23322121002.

20012122332 is a `hidden beast` number, since 200 + 12 + 122 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012122337) 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, 358407 + ... + 410462.

It is an arithmetic number, because the mean of its divisors is an integer number (1085388150).

Almost surely, 2^20012122332 is an apocalyptic number.

It is an amenable number.

20012122332 is an abundant number, since it is smaller than the sum of its proper divisors (32086508868).

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

20012122332 is a wasteful number, since it uses less digits than its factorization.

20012122332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769123 (or 769115 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20012122332 its reverse (23322121002), we get a palindrome (43334243334).

The spelling of 20012122332 in words is "twenty billion, twelve million, one hundred twenty-two thousand, three hundred thirty-two".