2109262320 has 480 divisors, whose sum is σ = 8156049408. Its totient is φ = 487872000.

The previous prime is 2109262319. The next prime is 2109262339. The reversal of 2109262320 is 232629012.

2109262320 is a `hidden beast` number, since 2 + 10 + 9 + 2 + 623 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29707885 + ... + 29707955.

Almost surely, 2^2109262320 is an apocalyptic number.

2109262320 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 2109262320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4078024704).

2109262320 is an abundant number, since it is smaller than the sum of its proper divisors (6046787088).

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

2109262320 is a wasteful number, since it uses less digits than its factorization.

2109262320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2109262320 is about 45926.7059563387. The cubic root of 2109262320 is about 1282.4591234421.

The spelling of 2109262320 in words is "two billion, one hundred nine million, two hundred sixty-two thousand, three hundred twenty".