2821902720 has 512 divisors, whose sum is σ = 11449589760. Its totient is φ = 575078400.

The previous prime is 2821902719. The next prime is 2821902737. The reversal of 2821902720 is 272091282.

It is a super-2 number, since 2×2821902720² = 15926269922286796800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5416060 + ... + 5416580.

It is an arithmetic number, because the mean of its divisors is an integer number (22362480).

Almost surely, 2^2821902720 is an apocalyptic number.

2821902720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2821902720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5724794880).

2821902720 is an abundant number, since it is smaller than the sum of its proper divisors (8627687040).

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

2821902720 is a wasteful number, since it uses less digits than its factorization.

2821902720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 2821902720 is about 53121.5843137232. The cubic root of 2821902720 is about 1413.1253243972.

The spelling of 2821902720 in words is "two billion, eight hundred twenty-one million, nine hundred two thousand, seven hundred twenty".