220144405415 has 16 divisors (see below), whose sum is σ = 295977935520. Its totient is φ = 155777857920.

The previous prime is 220144405391. The next prime is 220144405421. The reversal of 220144405415 is 514504441022.

It is not a de Polignac number, because 220144405415 - 2²⁴ = 220127628199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54087500 + ... + 54091569.

It is an arithmetic number, because the mean of its divisors is an integer number (18498620970).

Almost surely, 2^220144405415 is an apocalyptic number.

220144405415 is a deficient number, since it is larger than the sum of its proper divisors (75833530105).

220144405415 is a wasteful number, since it uses less digits than its factorization.

220144405415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108179122.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 220144405415 its reverse (514504441022), we get a palindrome (734648846437).

The spelling of 220144405415 in words is "two hundred twenty billion, one hundred forty-four million, four hundred five thousand, four hundred fifteen".