22020031304 has 32 divisors (see below), whose sum is σ = 43908664800. Its totient is φ = 10323002880.

The previous prime is 22020031301. The next prime is 22020031309. The reversal of 22020031304 is 40313002022.

It is not an unprimeable number, because it can be changed into a prime (22020031301) 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, 732002 + ... + 761489.

It is an arithmetic number, because the mean of its divisors is an integer number (1372145775).

Almost surely, 2^22020031304 is an apocalyptic number.

It is an amenable number.

22020031304 is a deficient number, since it is larger than the sum of its proper divisors (21888633496).

22020031304 is a wasteful number, since it uses less digits than its factorization.

22020031304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493613 (or 1493609 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22020031304 its reverse (40313002022), we get a palindrome (62333033326).

The spelling of 22020031304 in words is "twenty-two billion, twenty million, thirty-one thousand, three hundred four".