220044213505 has 16 divisors (see below), whose sum is σ = 294300622080. Its totient is φ = 156960329472.

The previous prime is 220044213463. The next prime is 220044213509. The reversal of 220044213505 is 505312440022.

It is a cyclic number.

It is not a de Polignac number, because 220044213505 - 2¹³ = 220044205313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220044213509) 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, 68123529 + ... + 68126758.

It is an arithmetic number, because the mean of its divisors is an integer number (18393788880).

Almost surely, 2^220044213505 is an apocalyptic number.

It is an amenable number.

220044213505 is a deficient number, since it is larger than the sum of its proper divisors (74256408575).

220044213505 is a wasteful number, since it uses less digits than its factorization.

220044213505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136250328.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 220044213505 its reverse (505312440022), we get a palindrome (725356653527).

The spelling of 220044213505 in words is "two hundred twenty billion, forty-four million, two hundred thirteen thousand, five hundred five".