220201012 has 6 divisors (see below), whose sum is σ = 385351778. Its totient is φ = 110100504.

The previous prime is 220200997. The next prime is 220201019. The reversal of 220201012 is 210102022.

It can be written as a sum of positive squares in only one way, i.e., 159921316 + 60279696 = 12646^2 + 7764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220201012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220201019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27525123 + ... + 27525130.

Almost surely, 2^220201012 is an apocalyptic number.

It is an amenable number.

220201012 is a deficient number, since it is larger than the sum of its proper divisors (165150766).

220201012 is a wasteful number, since it uses less digits than its factorization.

220201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55050257 (or 55050255 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 220201012 is about 14839.1715402175. The cubic root of 220201012 is about 603.8648770143.

Adding to 220201012 its reverse (210102022), we get a palindrome (430303034).

It can be divided in two parts, 2202010 and 12, that added together give a palindrome (2202022).

The spelling of 220201012 in words is "two hundred twenty million, two hundred one thousand, twelve".