20013003001 has 8 divisors (see below), whose sum is σ = 20558417544. Its totient is φ = 19467826560.

The previous prime is 20013002987. The next prime is 20013003011. The reversal of 20013003001 is 10030031002.

It can be written as a sum of positive squares in 4 ways, for example, as 4761000000 + 15252003001 = 69000^2 + 123499^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20013003001 - 2¹³ = 20012994809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013003011) 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, 117981 + ... + 232261.

It is an arithmetic number, because the mean of its divisors is an integer number (2569802193).

Almost surely, 2^20013003001 is an apocalyptic number.

It is an amenable number.

20013003001 is a deficient number, since it is larger than the sum of its proper divisors (545414543).

20013003001 is a wasteful number, since it uses less digits than its factorization.

20013003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119051.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 20013003001 its reverse (10030031002), we get a palindrome (30043034003).

The spelling of 20013003001 in words is "twenty billion, thirteen million, three thousand, one".