2052278380 has 24 divisors (see below), whose sum is σ = 4458399120. Its totient is φ = 792603840.

The previous prime is 2052278321. The next prime is 2052278381. The reversal of 2052278380 is 838722502.

It is not an unprimeable number, because it can be changed into a prime (2052278381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768626 + ... + 1769785.

It is an arithmetic number, because the mean of its divisors is an integer number (185766630).

Almost surely, 2^2052278380 is an apocalyptic number.

2052278380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052278380 is an abundant number, since it is smaller than the sum of its proper divisors (2406120740).

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

2052278380 is a wasteful number, since it uses less digits than its factorization.

2052278380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538449 (or 3538447 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2052278380 is about 45302.0792017320. The cubic root of 2052278380 is about 1270.8045370333.

The spelling of 2052278380 in words is "two billion, fifty-two million, two hundred seventy-eight thousand, three hundred eighty".