2257020330 has 16 divisors (see below), whose sum is σ = 5416848864. Its totient is φ = 601872080.

The previous prime is 2257020307. The next prime is 2257020341. The reversal of 2257020330 is 330207522.

It is a self number, because there is not a number n which added to its sum of digits gives 2257020330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37616976 + ... + 37617035.

It is an arithmetic number, because the mean of its divisors is an integer number (338553054).

Almost surely, 2^2257020330 is an apocalyptic number.

2257020330 is an abundant number, since it is smaller than the sum of its proper divisors (3159828534).

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

2257020330 is a wasteful number, since it uses less digits than its factorization.

2257020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75234021.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 2257020330 is about 47508.1080448380. The cubic root of 2257020330 is about 1311.7321317137.

Adding to 2257020330 its reverse (330207522), we get a palindrome (2587227852).

The spelling of 2257020330 in words is "two billion, two hundred fifty-seven million, twenty thousand, three hundred thirty".