22120021304 has 32 divisors (see below), whose sum is σ = 41624334000. Its totient is φ = 11020269312.

The previous prime is 22120021303. The next prime is 22120021309. The reversal of 22120021304 is 40312002122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120021303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2934212 + ... + 2941740.

Almost surely, 2^22120021304 is an apocalyptic number.

It is an amenable number.

22120021304 is a deficient number, since it is larger than the sum of its proper divisors (19504312696).

22120021304 is a wasteful number, since it uses less digits than its factorization.

22120021304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8807 (or 8803 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22120021304 its reverse (40312002122), we get a palindrome (62432023426).

The spelling of 22120021304 in words is "twenty-two billion, one hundred twenty million, twenty-one thousand, three hundred four".