2050581920 has 24 divisors (see below), whose sum is σ = 4844500164. Its totient is φ = 820232704.

The previous prime is 2050581877. The next prime is 2050581977. The reversal of 2050581920 is 291850502.

It can be written as a sum of positive squares in 2 ways, for example, as 1929317776 + 121264144 = 43924^2 + 11012^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6407909 + ... + 6408228.

Almost surely, 2^2050581920 is an apocalyptic number.

2050581920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050581920 is an abundant number, since it is smaller than the sum of its proper divisors (2793918244).

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

2050581920 is a wasteful number, since it uses less digits than its factorization.

2050581920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12816152 (or 12816144 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 2050581920 is about 45283.3514660742. The cubic root of 2050581920 is about 1270.4542818585.

The spelling of 2050581920 in words is "two billion, fifty million, five hundred eighty-one thousand, nine hundred twenty".