22001230220 has 12 divisors (see below), whose sum is σ = 46202583504. Its totient is φ = 8800492080.

The previous prime is 22001230169. The next prime is 22001230243. The reversal of 22001230220 is 2203210022.

It is a junction number, because it is equal to n+sod(n) for n = 22001230195 and 22001230204.

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, 550030736 + ... + 550030775.

It is an arithmetic number, because the mean of its divisors is an integer number (3850215292).

Almost surely, 2^22001230220 is an apocalyptic number.

22001230220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001230220 is an abundant number, since it is smaller than the sum of its proper divisors (24201353284).

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

22001230220 is a wasteful number, since it uses less digits than its factorization.

22001230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100061520 (or 1100061518 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22001230220 its reverse (2203210022), we get a palindrome (24204440242).

The spelling of 22001230220 in words is "twenty-two billion, one million, two hundred thirty thousand, two hundred twenty".