1320100244 has 12 divisors (see below), whose sum is σ = 2310768768. Its totient is φ = 659880600.

The previous prime is 1320100163. The next prime is 1320100253. The reversal of 1320100244 is 4420010231.

It is a super-5 number, since 5×1320100244⁵ (a number of 47 digits) contains 55555 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, 23972 + ... + 56699.

It is an arithmetic number, because the mean of its divisors is an integer number (192564064).

Almost surely, 2^1320100244 is an apocalyptic number.

It is an amenable number.

1320100244 is a deficient number, since it is larger than the sum of its proper divisors (990668524).

1320100244 is a wasteful number, since it uses less digits than its factorization.

1320100244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84766 (or 84764 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1320100244 is about 36333.1837856250. The cubic root of 1320100244 is about 1096.9890784174.

Adding to 1320100244 its reverse (4420010231), we get a palindrome (5740110475).

The spelling of 1320100244 in words is "one billion, three hundred twenty million, one hundred thousand, two hundred forty-four".