22330020 has 24 divisors (see below), whose sum is σ = 62524224. Its totient is φ = 5954656.

The previous prime is 22330003. The next prime is 22330037. The reversal of 22330020 is 2003322.

It is an interprime number because it is at equal distance from previous prime (22330003) and next prime (22330037).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22329978 and 22330005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186024 + ... + 186143.

It is an arithmetic number, because the mean of its divisors is an integer number (2605176).

Almost surely, 2^22330020 is an apocalyptic number.

22330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22330020 is an abundant number, since it is smaller than the sum of its proper divisors (40194204).

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

22330020 is a wasteful number, since it uses less digits than its factorization.

22330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372179 (or 372177 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 22330020 is about 4725.4650564786. The cubic root of 22330020 is about 281.5980895026.

Adding to 22330020 its reverse (2003322), we get a palindrome (24333342).

The spelling of 22330020 in words is "twenty-two million, three hundred thirty thousand, twenty".