2820220628274 has 96 divisors (see below), whose sum is σ = 7674069873600. Its totient is φ = 763367976000.

The previous prime is 2820220628273. The next prime is 2820220628311. The reversal of 2820220628274 is 4728260220282.

2820220628274 is a `hidden beast` number, since 2 + 82 + 0 + 220 + 6 + 282 + 74 = 666.

It is not an unprimeable number, because it can be changed into a prime (2820220628273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27998227 + ... + 28098774.

It is an arithmetic number, because the mean of its divisors is an integer number (79938227850).

Almost surely, 2^{2820220628274} is an apocalyptic number.

2820220628274 is an abundant number, since it is smaller than the sum of its proper divisors (4853849245326).

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

2820220628274 is a wasteful number, since it uses less digits than its factorization.

2820220628274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56097045 (or 56097032 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 2820220628274 in words is "two trillion, eight hundred twenty billion, two hundred twenty million, six hundred twenty-eight thousand, two hundred seventy-four".