220221232203 has 16 divisors (see below), whose sum is σ = 337827398400. Its totient is φ = 124996133856.

The previous prime is 220221232201. The next prime is 220221232207. The reversal of 220221232203 is 302232122022.

It is not a de Polignac number, because 220221232203 - 2¹ = 220221232201 is a prime.

It is a super-2 number, since 2×220221232203² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 220221232203.

It is not an unprimeable number, because it can be changed into a prime (220221232201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35187225 + ... + 35193482.

It is an arithmetic number, because the mean of its divisors is an integer number (21114212400).

Almost surely, 2^220221232203 is an apocalyptic number.

220221232203 is a deficient number, since it is larger than the sum of its proper divisors (117606166197).

220221232203 is a wasteful number, since it uses less digits than its factorization.

220221232203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70380866.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 220221232203 its reverse (302232122022), we get a palindrome (522453354225).

The spelling of 220221232203 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred thirty-two thousand, two hundred three".