20003513001 has 8 divisors (see below), whose sum is σ = 27321871584. Its totient is φ = 13010414880.

The previous prime is 20003512981. The next prime is 20003513059. The reversal of 20003513001 is 10031530002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20003513001 - 2¹¹ = 20003510953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20003513401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81314971 + ... + 81315216.

It is an arithmetic number, because the mean of its divisors is an integer number (3415233948).

Almost surely, 2^20003513001 is an apocalyptic number.

It is an amenable number.

20003513001 is a deficient number, since it is larger than the sum of its proper divisors (7318358583).

20003513001 is a wasteful number, since it uses less digits than its factorization.

20003513001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162630231.

The product of its (nonzero) digits is 90, while the sum is 15.

The spelling of 20003513001 in words is "twenty billion, three million, five hundred thirteen thousand, one".