20012122032 has 80 divisors (see below), whose sum is σ = 59795339520. Its totient is φ = 5648852736.

The previous prime is 20012122007. The next prime is 20012122043. The reversal of 20012122032 is 23022121002.

It is a happy 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, 330907 + ... + 386682.

It is an arithmetic number, because the mean of its divisors is an integer number (747441744).

Almost surely, 2^20012122032 is an apocalyptic number.

It is an amenable number.

20012122032 is an abundant number, since it is smaller than the sum of its proper divisors (39783217488).

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

20012122032 is a wasteful number, since it uses less digits than its factorization.

20012122032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717690 (or 717684 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20012122032 its reverse (23022121002), we get a palindrome (43034243034).

The spelling of 20012122032 in words is "twenty billion, twelve million, one hundred twenty-two thousand, thirty-two".