2820303620 has 48 divisors (see below), whose sum is σ = 6079449600. Its totient is φ = 1098497664.

The previous prime is 2820303601. The next prime is 2820303637. The reversal of 2820303620 is 263030282.

It is a happy number.

It is a super-2 number, since 2×2820303620² = 15908225017970208800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2820303620.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179522 + ... + 194598.

It is an arithmetic number, because the mean of its divisors is an integer number (126655200).

Almost surely, 2^2820303620 is an apocalyptic number.

2820303620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2820303620 is an abundant number, since it is smaller than the sum of its proper divisors (3259145980).

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

2820303620 is a wasteful number, since it uses less digits than its factorization.

2820303620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15332 (or 15330 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2820303620 is about 53106.5308601494. The cubic root of 2820303620 is about 1412.8583466511.

The spelling of 2820303620 in words is "two billion, eight hundred twenty million, three hundred three thousand, six hundred twenty".