22020910 has 16 divisors (see below), whose sum is σ = 40481856. Its totient is φ = 8620768.

The previous prime is 22020877. The next prime is 22020923. The reversal of 22020910 is 1902022.

It is a happy number.

It is a congruent number.

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, 22957 + ... + 23896.

It is an arithmetic number, because the mean of its divisors is an integer number (2530116).

Almost surely, 2^22020910 is an apocalyptic number.

22020910 is a deficient number, since it is larger than the sum of its proper divisors (18460946).

22020910 is a wasteful number, since it uses less digits than its factorization.

22020910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46907.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 22020910 is about 4692.6442439205. The cubic root of 22020910 is about 280.2926786559.

Adding to 22020910 its reverse (1902022), we get a palindrome (23922932).

The spelling of 22020910 in words is "twenty-two million, twenty thousand, nine hundred ten".