20001100013 has 8 divisors (see below), whose sum is σ = 20035695360. Its totient is φ = 19966536720.

The previous prime is 20001100003. The next prime is 20001100019. The reversal of 20001100013 is 31000110002.

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 20001100013 - 2⁸ = 20001099757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001100019) 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, 1464848 + ... + 1478438.

It is an arithmetic number, because the mean of its divisors is an integer number (2504461920).

Almost surely, 2^20001100013 is an apocalyptic number.

It is an amenable number.

20001100013 is a deficient number, since it is larger than the sum of its proper divisors (34595347).

20001100013 is a wasteful number, since it uses less digits than its factorization.

20001100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16027.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 20001100013 its reverse (31000110002), we get a palindrome (51001210015).

The spelling of 20001100013 in words is "twenty billion, one million, one hundred thousand, thirteen".