1320650072 has 16 divisors (see below), whose sum is σ = 2829964560. Its totient is φ = 565992864.

The previous prime is 1320650063. The next prime is 1320650113. The reversal of 1320650072 is 2700560231.

It is a super-2 number, since 2×1320650072² = 3488233225347210368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11791463 + ... + 11791574.

It is an arithmetic number, because the mean of its divisors is an integer number (176872785).

Almost surely, 2^1320650072 is an apocalyptic number.

It is an amenable number.

1320650072 is an abundant number, since it is smaller than the sum of its proper divisors (1509314488).

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

1320650072 is a wasteful number, since it uses less digits than its factorization.

1320650072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23583050 (or 23583046 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1320650072 is about 36340.7494694317. The cubic root of 1320650072 is about 1097.1413576588.

The spelling of 1320650072 in words is "one billion, three hundred twenty million, six hundred fifty thousand, seventy-two".