200320122320021 has 16 divisors (see below), whose sum is σ = 218775650019648. Its totient is φ = 181905405004800.

The previous prime is 200320122319997. The next prime is 200320122320051. The reversal of 200320122320021 is 120023221023002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200320122320021 - 2¹⁸ = 200320122057877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200320122319975 and 200320122320002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200320122320051) 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, 93708926 + ... + 95822768.

It is an arithmetic number, because the mean of its divisors is an integer number (13673478126228).

Almost surely, 2^{200320122320021} is an apocalyptic number.

It is an amenable number.

200320122320021 is a deficient number, since it is larger than the sum of its proper divisors (18455527699627).

200320122320021 is a wasteful number, since it uses less digits than its factorization.

200320122320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123492.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 200320122320021 its reverse (120023221023002), we get a palindrome (320343343343023).

The spelling of 200320122320021 in words is "two hundred trillion, three hundred twenty billion, one hundred twenty-two million, three hundred twenty thousand, twenty-one".