22033021020 has 96 divisors (see below), whose sum is σ = 66296579328. Its totient is φ = 5447304192.

The previous prime is 22033021013. The next prime is 22033021033. The reversal of 22033021020 is 2012033022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92862 + ... + 229541.

It is an arithmetic number, because the mean of its divisors is an integer number (690589368).

Almost surely, 2^22033021020 is an apocalyptic number.

22033021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22033021020 is an abundant number, since it is smaller than the sum of its proper divisors (44263558308).

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

22033021020 is a wasteful number, since it uses less digits than its factorization.

22033021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322499 (or 322497 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22033021020 its reverse (2012033022), we get a palindrome (24045054042).

The spelling of 22033021020 in words is "twenty-two billion, thirty-three million, twenty-one thousand, twenty".