1320258830 has 64 divisors (see below), whose sum is σ = 2630667456. Its totient is φ = 477030400.

The previous prime is 1320258817. The next prime is 1320258859. The reversal of 1320258830 is 388520231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3739934 + ... + 3740286.

It is an arithmetic number, because the mean of its divisors is an integer number (41104179).

Almost surely, 2^1320258830 is an apocalyptic number.

1320258830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320258830 is a deficient number, since it is larger than the sum of its proper divisors (1310408626).

1320258830 is a wasteful number, since it uses less digits than its factorization.

1320258830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1320258830 is about 36335.3661052149. The cubic root of 1320258830 is about 1097.0330044108.

The spelling of 1320258830 in words is "one billion, three hundred twenty million, two hundred fifty-eight thousand, eight hundred thirty".