2802115620 has 96 divisors (see below), whose sum is σ = 8825456640. Its totient is φ = 747219168.

The previous prime is 2802115601. The next prime is 2802115639. The reversal of 2802115620 is 265112082.

It is a happy number.

2802115620 is a `hidden beast` number, since 2 + 8 + 0 + 21 + 15 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (2802115601) and next prime (2802115639).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11709 + ... + 75771.

It is an arithmetic number, because the mean of its divisors is an integer number (91931840).

Almost surely, 2^2802115620 is an apocalyptic number.

2802115620 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 2802115620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4412728320).

2802115620 is an abundant number, since it is smaller than the sum of its proper divisors (6023341020).

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

2802115620 is an equidigital number, since it uses as much as digits as its factorization.

2802115620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64093 (or 64073 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2802115620 is about 52935.0131765356. The cubic root of 2802115620 is about 1409.8146429045.

The spelling of 2802115620 in words is "two billion, eight hundred two million, one hundred fifteen thousand, six hundred twenty".