1320858282 has 32 divisors (see below), whose sum is σ = 2799453312. Its totient is φ = 414040064.

The previous prime is 1320858269. The next prime is 1320858317. The reversal of 1320858282 is 2828580231.

It is a happy number.

It is a super-2 number, since 2×1320858282² = 3489333202255983048, 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 1320858282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134698 + ... + 144170.

It is an arithmetic number, because the mean of its divisors is an integer number (87482916).

Almost surely, 2^1320858282 is an apocalyptic number.

1320858282 is an abundant number, since it is smaller than the sum of its proper divisors (1478595030).

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

1320858282 is a wasteful number, since it uses less digits than its factorization.

1320858282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10862.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 1320858282 is about 36343.6140470372. The cubic root of 1320858282 is about 1097.1990120426.

The spelling of 1320858282 in words is "one billion, three hundred twenty million, eight hundred fifty-eight thousand, two hundred eighty-two".