220442102405 has 16 divisors (see below), whose sum is σ = 315464972544. Its totient is φ = 144588111360.

The previous prime is 220442102399. The next prime is 220442102407. The reversal of 220442102405 is 504201244022.

It is not a de Polignac number, because 220442102405 - 2⁴ = 220442102389 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 (220442102407) 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, 136919756 + ... + 136921365.

It is an arithmetic number, because the mean of its divisors is an integer number (19716560784).

Almost surely, 2^220442102405 is an apocalyptic number.

It is an amenable number.

220442102405 is a deficient number, since it is larger than the sum of its proper divisors (95022870139).

220442102405 is a wasteful number, since it uses less digits than its factorization.

220442102405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273841156.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 220442102405 its reverse (504201244022), we get a palindrome (724643346427).

The spelling of 220442102405 in words is "two hundred twenty billion, four hundred forty-two million, one hundred two thousand, four hundred five".