10320220 has 24 divisors (see below), whose sum is σ = 21937104. Its totient is φ = 4077696.

The previous prime is 10320209. The next prime is 10320223. The reversal of 10320220 is 2202301.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10320197 and 10320206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449 + ... + 4768.

It is an arithmetic number, because the mean of its divisors is an integer number (914046).

Almost surely, 2^10320220 is an apocalyptic number.

10320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320220 is an abundant number, since it is smaller than the sum of its proper divisors (11616884).

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

10320220 is a wasteful number, since it uses less digits than its factorization.

10320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309 (or 6307 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 10320220 is about 3212.5099221637. The cubic root of 10320220 is about 217.7189937674.

Adding to 10320220 its reverse (2202301), we get a palindrome (12522521).

The spelling of 10320220 in words is "ten million, three hundred twenty thousand, two hundred twenty".