22031020330 has 64 divisors (see below), whose sum is σ = 44308902528. Its totient is φ = 7817564160.

The previous prime is 22031020309. The next prime is 22031020339. The reversal of 22031020330 is 3302013022.

It is not an unprimeable number, because it can be changed into a prime (22031020339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8290362 + ... + 8293018.

It is an arithmetic number, because the mean of its divisors is an integer number (692326602).

Almost surely, 2^22031020330 is an apocalyptic number.

22031020330 is an abundant number, since it is smaller than the sum of its proper divisors (22277882198).

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

22031020330 is a wasteful number, since it uses less digits than its factorization.

22031020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 22031020330 its reverse (3302013022), we get a palindrome (25333033352).

The spelling of 22031020330 in words is "twenty-two billion, thirty-one million, twenty thousand, three hundred thirty".