2798790220 has 24 divisors (see below), whose sum is σ = 5879035008. Its totient is φ = 1119216000.

The previous prime is 2798790217. The next prime is 2798790221. The reversal of 2798790220 is 220978972.

It is not an unprimeable number, because it can be changed into a prime (2798790221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67365 + ... + 100675.

It is an arithmetic number, because the mean of its divisors is an integer number (244959792).

Almost surely, 2^2798790220 is an apocalyptic number.

2798790220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2798790220 is an abundant number, since it is smaller than the sum of its proper divisors (3080244788).

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

2798790220 is a wasteful number, since it uses less digits than its factorization.

2798790220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37521 (or 37519 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 2798790220 is about 52903.5936397519. The cubic root of 2798790220 is about 1409.2567247645.

The spelling of 2798790220 in words is "two billion, seven hundred ninety-eight million, seven hundred ninety thousand, two hundred twenty".