13016520203 has 8 divisors (see below), whose sum is σ = 14381424288. Its totient is φ = 11718196864.

The previous prime is 13016520163. The next prime is 13016520217. The reversal of 13016520203 is 30202561031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13016520203 is a prime.

It is a super-2 number, since 2×13016520203² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13016523203) 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, 16644776 + ... + 16645557.

It is an arithmetic number, because the mean of its divisors is an integer number (1797678036).

Almost surely, 2^13016520203 is an apocalyptic number.

13016520203 is a deficient number, since it is larger than the sum of its proper divisors (1364904085).

13016520203 is a wasteful number, since it uses less digits than its factorization.

13016520203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33290373.

The product of its (nonzero) digits is 1080, while the sum is 23.

The spelling of 13016520203 in words is "thirteen billion, sixteen million, five hundred twenty thousand, two hundred three".