320100620 has 48 divisors (see below), whose sum is σ = 778790208. Its totient is φ = 108241920.

The previous prime is 320100601. The next prime is 320100629. The reversal of 320100620 is 26001023.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 320100595 and 320100604.

It is not an unprimeable number, because it can be changed into a prime (320100629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5441 + ... + 25880.

It is an arithmetic number, because the mean of its divisors is an integer number (16224796).

Almost surely, 2^320100620 is an apocalyptic number.

It is an amenable number.

320100620 is an abundant number, since it is smaller than the sum of its proper divisors (458689588).

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

320100620 is a wasteful number, since it uses less digits than its factorization.

320100620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31410 (or 31408 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 320100620 is about 17891.3560134496. The cubic root of 320100620 is about 684.0620618995.

Adding to 320100620 its reverse (26001023), we get a palindrome (346101643).

The spelling of 320100620 in words is "three hundred twenty million, one hundred thousand, six hundred twenty".