2820620375 has 16 divisors (see below), whose sum is σ = 3579806880. Its totient is φ = 2218244800.

The previous prime is 2820620351. The next prime is 2820620393. The reversal of 2820620375 is 5730260282.

It is not a de Polignac number, because 2820620375 - 2⁶ = 2820620311 is a prime.

It is a congruent number.

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, 183854 + ... + 198603.

It is an arithmetic number, because the mean of its divisors is an integer number (223737930).

Almost surely, 2^2820620375 is an apocalyptic number.

2820620375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2820620375 is a deficient number, since it is larger than the sum of its proper divisors (759186505).

2820620375 is an equidigital number, since it uses as much as digits as its factorization.

2820620375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382531 (or 382521 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2820620375 is about 53109.5130367432. The cubic root of 2820620375 is about 1412.9112384969.

The spelling of 2820620375 in words is "two billion, eight hundred twenty million, six hundred twenty thousand, three hundred seventy-five".