299239000920 has 128 divisors (see below), whose sum is σ = 1000478016000. Its totient is φ = 79555893120.

The previous prime is 299239000903. The next prime is 299239000933. The reversal of 299239000920 is 29000932992.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61060 + ... + 776019.

It is an arithmetic number, because the mean of its divisors is an integer number (7816234500).

Almost surely, 2^299239000920 is an apocalyptic number.

299239000920 is a gapful number since it is divisible by the number (20) 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 299239000920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500239008000).

299239000920 is an abundant number, since it is smaller than the sum of its proper divisors (701239015080).

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

299239000920 is a wasteful number, since it uses less digits than its factorization.

299239000920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837430 (or 837420 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 299239000920 in words is "two hundred ninety-nine billion, two hundred thirty-nine million, nine hundred twenty", and thus it is an aban number.