10023220 has 24 divisors (see below), whose sum is σ = 21498624. Its totient is φ = 3923616.

The previous prime is 10023197. The next prime is 10023253. The reversal of 10023220 is 2232001.

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

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 10023197 and 10023206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4392 + ... + 6271.

It is an arithmetic number, because the mean of its divisors is an integer number (895776).

Almost surely, 2^10023220 is an apocalyptic number.

10023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10023220 is an abundant number, since it is smaller than the sum of its proper divisors (11475404).

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

10023220 is a wasteful number, since it uses less digits than its factorization.

10023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10719 (or 10717 counting only the distinct ones).

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

The square root of 10023220 is about 3165.9469357524. The cubic root of 10023220 is about 215.6100933474.

Adding to 10023220 its reverse (2232001), we get a palindrome (12255221).

The spelling of 10023220 in words is "ten million, twenty-three thousand, two hundred twenty".