22133030420 has 12 divisors (see below), whose sum is σ = 46479363924. Its totient is φ = 8853212160.

The previous prime is 22133030401. The next prime is 22133030443. The reversal of 22133030420 is 2403033122.

It can be written as a sum of positive squares in 2 ways, for example, as 11680421776 + 10452608644 = 108076^2 + 102238^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1106651521 = 22133030420 / (2 + 2 + 1 + 3 + 3 + 0 + 3 + 0 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 22133030392 and 22133030401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553325741 + ... + 553325780.

It is an arithmetic number, because the mean of its divisors is an integer number (3873280327).

Almost surely, 2^22133030420 is an apocalyptic number.

22133030420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22133030420 is an abundant number, since it is smaller than the sum of its proper divisors (24346333504).

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

22133030420 is a wasteful number, since it uses less digits than its factorization.

22133030420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106651530 (or 1106651528 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22133030420 its reverse (2403033122), we get a palindrome (24536063542).

The spelling of 22133030420 in words is "twenty-two billion, one hundred thirty-three million, thirty thousand, four hundred twenty".