22020030 has 24 divisors (see below), whose sum is σ = 57252312. Its totient is φ = 5871984.

The previous prime is 22020029. The next prime is 22020059. The reversal of 22020030 is 3002022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22019994 and 22020021.

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, 122244 + ... + 122423.

It is an arithmetic number, because the mean of its divisors is an integer number (2385513).

Almost surely, 2^22020030 is an apocalyptic number.

22020030 is an abundant number, since it is smaller than the sum of its proper divisors (35232282).

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

22020030 is a wasteful number, since it uses less digits than its factorization.

22020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244680 (or 244677 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 22020030 is about 4692.5504792170. The cubic root of 22020030 is about 280.2889449191.

Adding to 22020030 its reverse (3002022), we get a palindrome (25022052).

The spelling of 22020030 in words is "twenty-two million, twenty thousand, thirty".