22533513020 has 24 divisors (see below), whose sum is σ = 47382919584. Its totient is φ = 9001492416.

The previous prime is 22533513001. The next prime is 22533513029. The reversal of 22533513020 is 2031533522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22533513029) 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, 729032 + ... + 759311.

It is an arithmetic number, because the mean of its divisors is an integer number (1974288316).

Almost surely, 2^22533513020 is an apocalyptic number.

22533513020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22533513020 is an abundant number, since it is smaller than the sum of its proper divisors (24849406564).

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

22533513020 is a wasteful number, since it uses less digits than its factorization.

22533513020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489109 (or 1489107 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The spelling of 22533513020 in words is "twenty-two billion, five hundred thirty-three million, five hundred thirteen thousand, twenty".