13220016072 has 16 divisors (see below), whose sum is σ = 33050040240. Its totient is φ = 4406672016.

The previous prime is 13220016053. The next prime is 13220016083. The reversal of 13220016072 is 27061002231.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 550834003 = 13220016072 / (1 + 3 + 2 + 2 + 0 + 0 + 1 + 6 + 0 + 7 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275416978 + ... + 275417025.

It is an arithmetic number, because the mean of its divisors is an integer number (2065627515).

Almost surely, 2^13220016072 is an apocalyptic number.

13220016072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13220016072 is an abundant number, since it is smaller than the sum of its proper divisors (19830024168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13220016072 is a wasteful number, since it uses less digits than its factorization.

13220016072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550834012 (or 550834008 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 13220016072 in words is "thirteen billion, two hundred twenty million, sixteen thousand, seventy-two".