1320208662 has 32 divisors (see below), whose sum is σ = 2742336000. Its totient is φ = 423400928.

The previous prime is 1320208657. The next prime is 1320208679. The reversal of 1320208662 is 2668020231.

It is a super-2 number, since 2×1320208662² = 3485901822439660488, 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 15 ways as a sum of consecutive naturals, for example, 23037 + ... + 56312.

It is an arithmetic number, because the mean of its divisors is an integer number (85698000).

Almost surely, 2^1320208662 is an apocalyptic number.

1320208662 is an abundant number, since it is smaller than the sum of its proper divisors (1422127338).

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

1320208662 is a wasteful number, since it uses less digits than its factorization.

1320208662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79460.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1320208662 is about 36334.6757519590. The cubic root of 1320208662 is about 1097.0191089918.

Adding to 1320208662 its reverse (2668020231), we get a palindrome (3988228893).

The spelling of 1320208662 in words is "one billion, three hundred twenty million, two hundred eight thousand, six hundred sixty-two".