2054920816 has 20 divisors (see below), whose sum is σ = 4287671752. Its totient is φ = 948424896.

The previous prime is 2054920811. The next prime is 2054920841. The reversal of 2054920816 is 6180294502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054920811) 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, 4939506 + ... + 4939921.

Almost surely, 2^2054920816 is an apocalyptic number.

2054920816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2054920816 is an abundant number, since it is smaller than the sum of its proper divisors (2232750936).

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

2054920816 is a wasteful number, since it uses less digits than its factorization.

2054920816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879448 (or 9879442 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2054920816 is about 45331.2344416077. The cubic root of 2054920816 is about 1271.3497163976.

The spelling of 2054920816 in words is "two billion, fifty-four million, nine hundred twenty thousand, eight hundred sixteen".