220012005 has 32 divisors (see below), whose sum is σ = 359856000. Its totient is φ = 114757632.

The previous prime is 220011973. The next prime is 220012007. The reversal of 220012005 is 500210022.

It is not a de Polignac number, because 220012005 - 2⁵ = 220011973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128646 + ... + 130344.

It is an arithmetic number, because the mean of its divisors is an integer number (11245500).

Almost surely, 2^220012005 is an apocalyptic number.

It is an amenable number.

220012005 is a deficient number, since it is larger than the sum of its proper divisors (139843995).

220012005 is a wasteful number, since it uses less digits than its factorization.

220012005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 220012005 is about 14832.8016571381. The cubic root of 220012005 is about 603.6920540729.

Adding to 220012005 its reverse (500210022), we get a palindrome (720222027).

The spelling of 220012005 in words is "two hundred twenty million, twelve thousand, five".