2090009636 has 24 divisors (see below), whose sum is σ = 4296944064. Its totient is φ = 876926880.

The previous prime is 2090009629. The next prime is 2090009651. The reversal of 2090009636 is 6369000902.

It is a junction number, because it is equal to n+sod(n) for n = 2090009596 and 2090009605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826360 + ... + 1827503.

It is an arithmetic number, because the mean of its divisors is an integer number (179039336).

Almost surely, 2^2090009636 is an apocalyptic number.

2090009636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2090009636 is an abundant number, since it is smaller than the sum of its proper divisors (2206934428).

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

2090009636 is a wasteful number, since it uses less digits than its factorization.

2090009636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653891 (or 3653889 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 2090009636 is about 45716.6231911326. The cubic root of 2090009636 is about 1278.5452295466.

The spelling of 2090009636 in words is "two billion, ninety million, nine thousand, six hundred thirty-six".