1320466520 has 32 divisors (see below), whose sum is σ = 3012901920. Its totient is φ = 520746240.

The previous prime is 1320466493. The next prime is 1320466549. The reversal of 1320466520 is 256640231.

It is a congruent number.

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, 229637 + ... + 235316.

It is an arithmetic number, because the mean of its divisors is an integer number (94153185).

Almost surely, 2^1320466520 is an apocalyptic number.

1320466520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320466520 is an abundant number, since it is smaller than the sum of its proper divisors (1692435400).

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

1320466520 is a wasteful number, since it uses less digits than its factorization.

1320466520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465035 (or 465031 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1320466520 is about 36338.2239521967. The cubic root of 1320466520 is about 1097.0905261718.

The spelling of 1320466520 in words is "one billion, three hundred twenty million, four hundred sixty-six thousand, five hundred twenty".