220103421900 has 144 divisors (see below), whose sum is σ = 647715210240. Its totient is φ = 57694982400.

The previous prime is 220103421871. The next prime is 220103421911. The reversal of 220103421900 is 9124301022.

It is a super-2 number, since 2×220103421900² (a number of 23 digits) contains 22 as substring.

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, 9616470 + ... + 9639330.

Almost surely, 2^220103421900 is an apocalyptic number.

220103421900 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 220103421900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323857605120).

220103421900 is an abundant number, since it is smaller than the sum of its proper divisors (427611788340).

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

220103421900 is a wasteful number, since it uses less digits than its factorization.

220103421900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23424 (or 23417 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 220103421900 its reverse (9124301022), we get a palindrome (229227722922).

The spelling of 220103421900 in words is "two hundred twenty billion, one hundred three million, four hundred twenty-one thousand, nine hundred".