200220123230321 has 16 divisors (see below), whose sum is σ = 210943392542208. Its totient is φ = 189776060697600.

The previous prime is 200220123230317. The next prime is 200220123230329. The reversal of 200220123230321 is 123032321022002.

It is not a de Polignac number, because 200220123230321 - 2² = 200220123230317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200220123230329) 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, 104652095 + ... + 106548116.

It is an arithmetic number, because the mean of its divisors is an integer number (13183962033888).

Almost surely, 2^{200220123230321} is an apocalyptic number.

It is an amenable number.

200220123230321 is a deficient number, since it is larger than the sum of its proper divisors (10723269311887).

200220123230321 is a wasteful number, since it uses less digits than its factorization.

200220123230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211200872.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 200220123230321 its reverse (123032321022002), we get a palindrome (323252444252323).

The spelling of 200220123230321 in words is "two hundred trillion, two hundred twenty billion, one hundred twenty-three million, two hundred thirty thousand, three hundred twenty-one".