103207320 has 48 divisors (see below), whose sum is σ = 335424960. Its totient is φ = 27521856.

The previous prime is 103207309. The next prime is 103207331. The reversal of 103207320 is 23702301.

It is an interprime number because it is at equal distance from previous prime (103207309) and next prime (103207331).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103207293 and 103207302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142984 + ... + 143703.

It is an arithmetic number, because the mean of its divisors is an integer number (6988020).

Almost surely, 2^103207320 is an apocalyptic number.

103207320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103207320 is an abundant number, since it is smaller than the sum of its proper divisors (232217640).

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

103207320 is a wasteful number, since it uses less digits than its factorization.

103207320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286704 (or 286697 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 103207320 is about 10159.1003538699. The cubic root of 103207320 is about 469.0691096446.

Adding to 103207320 its reverse (23702301), we get a palindrome (126909621).

The spelling of 103207320 in words is "one hundred three million, two hundred seven thousand, three hundred twenty".