1320704850 has 48 divisors (see below), whose sum is σ = 3417763392. Its totient is φ = 336874560.

The previous prime is 1320704809. The next prime is 1320704851. The reversal of 1320704850 is 584070231.

It is a super-2 number, since 2×1320704850² = 3488522601627045000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1320704851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187957 + ... + 194856.

It is an arithmetic number, because the mean of its divisors is an integer number (71203404).

Almost surely, 2^1320704850 is an apocalyptic number.

1320704850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320704850 is an abundant number, since it is smaller than the sum of its proper divisors (2097058542).

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

1320704850 is a wasteful number, since it uses less digits than its factorization.

1320704850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382851 (or 382846 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1320704850 is about 36341.5031334699. The cubic root of 1320704850 is about 1097.1565265466.

The spelling of 1320704850 in words is "one billion, three hundred twenty million, seven hundred four thousand, eight hundred fifty".