20043515013 has 8 divisors (see below), whose sum is σ = 26725436928. Its totient is φ = 13361968224.

The previous prime is 20043515003. The next prime is 20043515033. The reversal of 20043515013 is 31051534002.

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

It is not a de Polignac number, because 20043515013 - 2¹⁶ = 20043449477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043515003) 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 7 ways as a sum of consecutive naturals, for example, 73545 + ... + 213297.

It is an arithmetic number, because the mean of its divisors is an integer number (3340679616).

Almost surely, 2^20043515013 is an apocalyptic number.

It is an amenable number.

20043515013 is a deficient number, since it is larger than the sum of its proper divisors (6681921915).

20043515013 is a wasteful number, since it uses less digits than its factorization.

20043515013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187563.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 20043515013 in words is "twenty billion, forty-three million, five hundred fifteen thousand, thirteen".