220103100 has 432 divisors, whose sum is σ = 866611200. Its totient is φ = 46569600.

The previous prime is 220103089. The next prime is 220103137. The reversal of 220103100 is 1301022.

It is a happy number.

220103100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220103100² = 96890749259220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7100085 + ... + 7100115.

Almost surely, 2^220103100 is an apocalyptic number.

220103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220103100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433305600).

220103100 is an abundant number, since it is smaller than the sum of its proper divisors (646508100).

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

220103100 is a wasteful number, since it uses less digits than its factorization.

220103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 220103100 is about 14835.8720673913. The cubic root of 220103100 is about 603.7753612535.

Adding to 220103100 its reverse (1301022), we get a palindrome (221404122).

The spelling of 220103100 in words is "two hundred twenty million, one hundred three thousand, one hundred".