220001233210 has 24 divisors (see below), whose sum is σ = 435275169588. Its totient is φ = 80000448000.

The previous prime is 220001233181. The next prime is 220001233211. The reversal of 220001233210 is 12332100022.

It can be written as a sum of positive squares in 2 ways, for example, as 217313536561 + 2687696649 = 466169^2 + 51843^2 .

It is a super-2 number, since 2×220001233210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220001233211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90908391 + ... + 90910810.

Almost surely, 2^220001233210 is an apocalyptic number.

220001233210 is a deficient number, since it is larger than the sum of its proper divisors (215273936378).

220001233210 is a wasteful number, since it uses less digits than its factorization.

220001233210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181819230 (or 181819219 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 220001233210 its reverse (12332100022), we get a palindrome (232333333232).

The spelling of 220001233210 in words is "two hundred twenty billion, one million, two hundred thirty-three thousand, two hundred ten".