2293090920 has 96 divisors (see below), whose sum is σ = 7518630600. Its totient is φ = 606068736.

The previous prime is 2293090907. The next prime is 2293090931. The reversal of 2293090920 is 290903922.

It can be written as a sum of positive squares in 4 ways, for example, as 559700964 + 1733389956 = 23658^2 + 41634^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12496 + ... + 68864.

Almost surely, 2^2293090920 is an apocalyptic number.

2293090920 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 2293090920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3759315300).

2293090920 is an abundant number, since it is smaller than the sum of its proper divisors (5225539680).

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

2293090920 is a wasteful number, since it uses less digits than its factorization.

2293090920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56499 (or 56492 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2293090920 is about 47886.2289181347. The cubic root of 2293090920 is about 1318.6830529269.

The spelling of 2293090920 in words is "two billion, two hundred ninety-three million, ninety thousand, nine hundred twenty".