10020320 has 24 divisors (see below), whose sum is σ = 23673384. Its totient is φ = 4008064.

The previous prime is 10020313. The next prime is 10020323. The reversal of 10020320 is 2302001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 10020298 and 10020307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020323) 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 3 ways as a sum of consecutive naturals, for example, 31154 + ... + 31473.

It is an arithmetic number, because the mean of its divisors is an integer number (986391).

Almost surely, 2^10020320 is an apocalyptic number.

10020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020320 is an abundant number, since it is smaller than the sum of its proper divisors (13653064).

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

10020320 is an equidigital number, since it uses as much as digits as its factorization.

10020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62642 (or 62634 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 10020320 is about 3165.4889037872. The cubic root of 10020320 is about 215.5892973164.

Adding to 10020320 its reverse (2302001), we get a palindrome (12322321).

The spelling of 10020320 in words is "ten million, twenty thousand, three hundred twenty".