20207138001 has 32 divisors (see below), whose sum is σ = 28518013440. Its totient is φ = 12691920384.

The previous prime is 20207137997. The next prime is 20207138047. The reversal of 20207138001 is 10083170202.

It is not a de Polignac number, because 20207138001 - 2² = 20207137997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20207138051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8912470 + ... + 8914736.

It is an arithmetic number, because the mean of its divisors is an integer number (891187920).

Almost surely, 2^20207138001 is an apocalyptic number.

It is an amenable number.

20207138001 is a deficient number, since it is larger than the sum of its proper divisors (8310875439).

20207138001 is a wasteful number, since it uses less digits than its factorization.

20207138001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085.

The product of its (nonzero) digits is 672, while the sum is 24.

The spelling of 20207138001 in words is "twenty billion, two hundred seven million, one hundred thirty-eight thousand, one".