2517552220 has 12 divisors (see below), whose sum is σ = 5286859704. Its totient is φ = 1007020880.

The previous prime is 2517552217. The next prime is 2517552229. The reversal of 2517552220 is 222557152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2517552229) 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, 62938786 + ... + 62938825.

It is an arithmetic number, because the mean of its divisors is an integer number (440571642).

Almost surely, 2^2517552220 is an apocalyptic number.

2517552220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2517552220 is an abundant number, since it is smaller than the sum of its proper divisors (2769307484).

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

2517552220 is a wasteful number, since it uses less digits than its factorization.

2517552220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125877620 (or 125877618 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 2517552220 is about 50175.2151963497. The cubic root of 2517552220 is about 1360.3776740889.

It can be divided in two parts, 25 and 17552220, that multiplied together give a triangular number (438805500 = T₂₉₆₂₄).

The spelling of 2517552220 in words is "two billion, five hundred seventeen million, five hundred fifty-two thousand, two hundred twenty".