20101013001 has 16 divisors (see below), whose sum is σ = 31074030720. Its totient is φ = 12818036880.

The previous prime is 20101012999. The next prime is 20101013021. The reversal of 20101013001 is 10031010102.

It is not a de Polignac number, because 20101013001 - 2¹ = 20101012999 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 (20101013021) 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, 16183770 + ... + 16185011.

It is an arithmetic number, because the mean of its divisors is an integer number (1942126920).

Almost surely, 2^20101013001 is an apocalyptic number.

It is an amenable number.

20101013001 is a deficient number, since it is larger than the sum of its proper divisors (10973017719).

20101013001 is a wasteful number, since it uses less digits than its factorization.

20101013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32368813 (or 32368807 counting only the distinct ones).

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

Adding to 20101013001 its reverse (10031010102), we get a palindrome (30132023103).

It can be divided in two parts, 2010101 and 3001, that added together give a palindrome (2013102).

The spelling of 20101013001 in words is "twenty billion, one hundred one million, thirteen thousand, one".