220101001232 has 60 divisors (see below), whose sum is σ = 496731350016. Its totient is φ = 94203144000.

The previous prime is 220101001229. The next prime is 220101001247. The reversal of 220101001232 is 232100101022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401873 + ... + 775695.

Almost surely, 2^220101001232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220101001232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248365675008).

220101001232 is an abundant number, since it is smaller than the sum of its proper divisors (276630348784).

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

220101001232 is a wasteful number, since it uses less digits than its factorization.

220101001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374596 (or 374583 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 220101001232 its reverse (232100101022), we get a palindrome (452201102254).

The spelling of 220101001232 in words is "two hundred twenty billion, one hundred one million, one thousand, two hundred thirty-two".