20100122032 has 20 divisors (see below), whose sum is σ = 39087699616. Its totient is φ = 10012973760.

The previous prime is 20100121997. The next prime is 20100122051. The reversal of 20100122032 is 23022100102.

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, 2313483 + ... + 2322154.

Almost surely, 2^20100122032 is an apocalyptic number.

It is an amenable number.

20100122032 is a deficient number, since it is larger than the sum of its proper divisors (18987577584).

20100122032 is a wasteful number, since it uses less digits than its factorization.

20100122032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635916 (or 4635910 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20100122032 its reverse (23022100102), we get a palindrome (43122222134).

The spelling of 20100122032 in words is "twenty billion, one hundred million, one hundred twenty-two thousand, thirty-two".