2682821620 has 24 divisors (see below), whose sum is σ = 5713279488. Its totient is φ = 1058013600.

The previous prime is 2682821611. The next prime is 2682821633. The reversal of 2682821620 is 261282862.

It is a self number, because there is not a number n which added to its sum of digits gives 2682821620.

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, 943236 + ... + 946075.

It is an arithmetic number, because the mean of its divisors is an integer number (238053312).

Almost surely, 2^2682821620 is an apocalyptic number.

2682821620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2682821620 is an abundant number, since it is smaller than the sum of its proper divisors (3030457868).

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

2682821620 is a wasteful number, since it uses less digits than its factorization.

2682821620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889391 (or 1889389 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 2682821620 is about 51795.9614255783. The cubic root of 2682821620 is about 1389.5172175653.

The spelling of 2682821620 in words is "two billion, six hundred eighty-two million, eight hundred twenty-one thousand, six hundred twenty".