201220010 has 16 divisors (see below), whose sum is σ = 363781800. Its totient is φ = 80135616.

The previous prime is 201219917. The next prime is 201220043. The reversal of 201220010 is 10022102.

It can be written as a sum of positive squares in 4 ways, for example, as 156075049 + 45144961 = 12493^2 + 6719^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201220010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41645 + ... + 46224.

Almost surely, 2^201220010 is an apocalyptic number.

201220010 is a deficient number, since it is larger than the sum of its proper divisors (162561790).

201220010 is a wasteful number, since it uses less digits than its factorization.

201220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88105.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 201220010 is about 14185.2039111181. The cubic root of 201220010 is about 585.9902482196.

Adding to 201220010 its reverse (10022102), we get a palindrome (211242112).

It can be divided in two parts, 2012 and 20010, that added together give a palindrome (22022).

The spelling of 201220010 in words is "two hundred one million, two hundred twenty thousand, ten".