2090230400 has 48 divisors (see below), whose sum is σ = 5163530190. Its totient is φ = 836090880.

The previous prime is 2090230369. The next prime is 2090230411. The reversal of 2090230400 is 40320902.

It can be written as a sum of positive squares in 3 ways, for example, as 1591690816 + 498539584 = 39896^2 + 22328^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 323399 + ... + 329798.

Almost surely, 2^2090230400 is an apocalyptic number.

2090230400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2090230400 is an abundant number, since it is smaller than the sum of its proper divisors (3073299790).

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

2090230400 is an equidigital number, since it uses as much as digits as its factorization.

2090230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653221 (or 653204 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2090230400 is about 45719.0376101685. The cubic root of 2090230400 is about 1278.5902447811.

The spelling of 2090230400 in words is "two billion, ninety million, two hundred thirty thousand, four hundred".