2682663220 has 24 divisors (see below), whose sum is σ = 5651377704. Its totient is φ = 1069677696.

The previous prime is 2682663197. The next prime is 2682663283. The reversal of 2682663220 is 223662862.

It can be written as a sum of positive squares in 4 ways, for example, as 40908816 + 2641754404 = 6396^2 + 51398^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2682663220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205227 + ... + 217906.

It is an arithmetic number, because the mean of its divisors is an integer number (235474071).

Almost surely, 2^2682663220 is an apocalyptic number.

2682663220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2682663220 is an abundant number, since it is smaller than the sum of its proper divisors (2968714484).

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

2682663220 is a wasteful number, since it uses less digits than its factorization.

2682663220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423459 (or 423457 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 2682663220 is about 51794.4323262646. The cubic root of 2682663220 is about 1389.4898702558.

The spelling of 2682663220 in words is "two billion, six hundred eighty-two million, six hundred sixty-three thousand, two hundred twenty".