22031833920 has 224 divisors, whose sum is σ = 73231589376. Its totient is φ = 5605017600.

The previous prime is 22031833907. The next prime is 22031833931. The reversal of 22031833920 is 2933813022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2107747 + ... + 2118173.

Almost surely, 2^22031833920 is an apocalyptic number.

22031833920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22031833920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36615794688).

22031833920 is an abundant number, since it is smaller than the sum of its proper divisors (51199755456).

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

22031833920 is a wasteful number, since it uses less digits than its factorization.

22031833920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10549 (or 10539 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 22031833920 in words is "twenty-two billion, thirty-one million, eight hundred thirty-three thousand, nine hundred twenty".