220244101 has 16 divisors (see below), whose sum is σ = 275351040. Its totient is φ = 171143280.

The previous prime is 220244093. The next prime is 220244111. The reversal of 220244101 is 101442022.

It is not a de Polignac number, because 220244101 - 2³ = 220244093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220244111) 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, 25410 + ... + 32956.

It is an arithmetic number, because the mean of its divisors is an integer number (17209440).

Almost surely, 2^220244101 is an apocalyptic number.

It is an amenable number.

220244101 is a deficient number, since it is larger than the sum of its proper divisors (55106939).

220244101 is a wasteful number, since it uses less digits than its factorization.

220244101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 220244101 is about 14840.6233359654. The cubic root of 220244101 is about 603.9042625988.

Adding to 220244101 its reverse (101442022), we get a palindrome (321686123).

The spelling of 220244101 in words is "two hundred twenty million, two hundred forty-four thousand, one hundred one".