13033072920 has 192 divisors, whose sum is σ = 45656179200. Its totient is φ = 2967632640.

The previous prime is 13033072901. The next prime is 13033072939. The reversal of 13033072920 is 2927033031.

It is an interprime number because it is at equal distance from previous prime (13033072901) and next prime (13033072939).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1589391 + ... + 1597569.

It is an arithmetic number, because the mean of its divisors is an integer number (237792600).

Almost surely, 2^13033072920 is an apocalyptic number.

13033072920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13033072920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22828089600).

13033072920 is an abundant number, since it is smaller than the sum of its proper divisors (32623106280).

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

13033072920 is a wasteful number, since it uses less digits than its factorization.

13033072920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8478 (or 8467 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The spelling of 13033072920 in words is "thirteen billion, thirty-three million, seventy-two thousand, nine hundred twenty".