2090099380 has 12 divisors (see below), whose sum is σ = 4389208740. Its totient is φ = 836039744.

The previous prime is 2090099311. The next prime is 2090099383. The reversal of 2090099380 is 839900902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1315367824 + 774731556 = 36268^2 + 27834^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090099383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52252465 + ... + 52252504.

It is an arithmetic number, because the mean of its divisors is an integer number (365767395).

Almost surely, 2^2090099380 is an apocalyptic number.

2090099380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2090099380 is an abundant number, since it is smaller than the sum of its proper divisors (2299109360).

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

2090099380 is a wasteful number, since it uses less digits than its factorization.

2090099380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104504978 (or 104504976 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 2090099380 is about 45717.6047054086. The cubic root of 2090099380 is about 1278.5635293220.

The spelling of 2090099380 in words is "two billion, ninety million, ninety-nine thousand, three hundred eighty".