2054821700 has 18 divisors (see below), whose sum is σ = 4458963306. Its totient is φ = 821928640.

The previous prime is 2054821697. The next prime is 2054821759. The reversal of 2054821700 is 71284502.

It can be written as a sum of positive squares in 3 ways, for example, as 101888836 + 1952932864 = 10094^2 + 44192^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10274009 + ... + 10274208.

Almost surely, 2^2054821700 is an apocalyptic number.

2054821700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054821700 is an abundant number, since it is smaller than the sum of its proper divisors (2404141606).

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

2054821700 is a wasteful number, since it uses less digits than its factorization.

2054821700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20548231 (or 20548224 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 2054821700 is about 45330.1411866321. The cubic root of 2054821700 is about 1271.3292755249.

The spelling of 2054821700 in words is "two billion, fifty-four million, eight hundred twenty-one thousand, seven hundred".