2902122320 has 90 divisors (see below), whose sum is σ = 7143788862. Its totient is φ = 1096282368.

The previous prime is 2902122317. The next prime is 2902122337. The reversal of 2902122320 is 232212092.

It can be written as a sum of positive squares in 3 ways, for example, as 144192064 + 2757930256 = 12008^2 + 52516^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9154802 + ... + 9155118.

Almost surely, 2^2902122320 is an apocalyptic number.

2902122320 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 2902122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3571894431).

2902122320 is an abundant number, since it is smaller than the sum of its proper divisors (4241666542).

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

2902122320 is an equidigital number, since it uses as much as digits as its factorization.

2902122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2902122320 is about 53871.3497139249. The cubic root of 2902122320 is about 1426.3909381640.

The spelling of 2902122320 in words is "two billion, nine hundred two million, one hundred twenty-two thousand, three hundred twenty".