20110013001 has 12 divisors (see below), whose sum is σ = 31282242628. Its totient is φ = 12375392544.

The previous prime is 20110012981. The next prime is 20110013009. The reversal of 20110013001 is 10031001102.

It can be written as a sum of positive squares in 2 ways, for example, as 13293859401 + 6816153600 = 115299^2 + 82560^2 .

It is not a de Polignac number, because 20110013001 - 2⁵ = 20110012969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20110013009) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 85940110 + ... + 85940343.

Almost surely, 2^20110013001 is an apocalyptic number.

It is an amenable number.

20110013001 is a deficient number, since it is larger than the sum of its proper divisors (11172229627).

20110013001 is a wasteful number, since it uses less digits than its factorization.

20110013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171880472 (or 171880469 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 20110013001 its reverse (10031001102), we get a palindrome (30141014103).

The spelling of 20110013001 in words is "twenty billion, one hundred ten million, thirteen thousand, one".