2052556820 has 24 divisors (see below), whose sum is σ = 4313119104. Its totient is φ = 820498976.

The previous prime is 2052556813. The next prime is 2052556837. The reversal of 2052556820 is 286552502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209 + ... + 64071.

It is an arithmetic number, because the mean of its divisors is an integer number (179713296).

Almost surely, 2^2052556820 is an apocalyptic number.

2052556820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052556820 is an abundant number, since it is smaller than the sum of its proper divisors (2260562284).

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

2052556820 is a wasteful number, since it uses less digits than its factorization.

2052556820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65479 (or 65477 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 2052556820 is about 45305.1522456332. The cubic root of 2052556820 is about 1270.8620059773.

The spelling of 2052556820 in words is "two billion, fifty-two million, five hundred fifty-six thousand, eight hundred twenty".