220001010002002 has 8 divisors (see below), whose sum is σ = 333268856736012. Its totient is φ = 108911391090000.

The previous prime is 220001010001909. The next prime is 220001010002009. The reversal of 220001010002002 is 200200010100022.

It can be written as a sum of positive squares in 2 ways, for example, as 215888627536201 + 4112382465801 = 14693149^2 + 2027901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220001010002002.

It is not an unprimeable number, because it can be changed into a prime (220001010002009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544556955249 + ... + 544556955652.

Almost surely, 2^{220001010002002} is an apocalyptic number.

220001010002002 is a deficient number, since it is larger than the sum of its proper divisors (113267846734010).

220001010002002 is a wasteful number, since it uses less digits than its factorization.

220001010002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089113911004.

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

Adding to 220001010002002 its reverse (200200010100022), we get a palindrome (420201020102024).

The spelling of 220001010002002 in words is "two hundred twenty trillion, one billion, ten million, two thousand, two".