220021110002002 has 32 divisors (see below), whose sum is σ = 347778441936000. Its totient is φ = 104107575656448.

The previous prime is 220021110001981. The next prime is 220021110002009. The reversal of 220021110002002 is 200200011120022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220021110002009) 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, 139374418 + ... + 140944210.

It is an arithmetic number, because the mean of its divisors is an integer number (10868076310500).

Almost surely, 2^{220021110002002} is an apocalyptic number.

220021110002002 is a deficient number, since it is larger than the sum of its proper divisors (127757331933998).

220021110002002 is a wasteful number, since it uses less digits than its factorization.

220021110002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573810.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220021110002002 its reverse (200200011120022), we get a palindrome (420221121122024).

The spelling of 220021110002002 in words is "two hundred twenty trillion, twenty-one billion, one hundred ten million, two thousand, two".