220103223132 has 144 divisors (see below), whose sum is σ = 573981327360. Its totient is φ = 65254573440.

The previous prime is 220103223113. The next prime is 220103223161. The reversal of 220103223132 is 231322301022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220103223099 and 220103223108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35826853 + ... + 35832995.

It is an arithmetic number, because the mean of its divisors is an integer number (3985981440).

Almost surely, 2^220103223132 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 220103223132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286990663680).

220103223132 is an abundant number, since it is smaller than the sum of its proper divisors (353878104228).

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

220103223132 is a wasteful number, since it uses less digits than its factorization.

220103223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464 (or 6431 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220103223132 its reverse (231322301022), we get a palindrome (451425524154).

The spelling of 220103223132 in words is "two hundred twenty billion, one hundred three million, two hundred twenty-three thousand, one hundred thirty-two".