2000090920 has 16 divisors (see below), whose sum is σ = 4500204660. Its totient is φ = 800036352.

The previous prime is 2000090909. The next prime is 2000090927. The reversal of 2000090920 is 290900002.

It can be written as a sum of positive squares in 2 ways, for example, as 1826536644 + 173554276 = 42738^2 + 13174^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2000090891 and 2000090900.

It is not an unprimeable number, because it can be changed into a prime (2000090927) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25001097 + ... + 25001176.

Almost surely, 2^2000090920 is an apocalyptic number.

2000090920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000090920 is an abundant number, since it is smaller than the sum of its proper divisors (2500113740).

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

2000090920 is a wasteful number, since it uses less digits than its factorization.

2000090920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50002284 (or 50002280 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2000090920 is about 44722.3760549459. The cubic root of 2000090920 is about 1259.9401416092.

Adding to 2000090920 its reverse (290900002), we get a palindrome (2290990922).

The spelling of 2000090920 in words is "two billion, ninety thousand, nine hundred twenty".