203200020221 has 16 divisors (see below), whose sum is σ = 231420499200. Its totient is φ = 176721048000.

The previous prime is 203200020209. The next prime is 203200020223. The reversal of 203200020221 is 122020002302.

It is a cyclic number.

It is not a de Polignac number, because 203200020221 - 2¹⁸ = 203199758077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203200020196 and 203200020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203200020223) 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, 2887205 + ... + 2956746.

It is an arithmetic number, because the mean of its divisors is an integer number (14463781200).

Almost surely, 2^203200020221 is an apocalyptic number.

It is an amenable number.

203200020221 is a deficient number, since it is larger than the sum of its proper divisors (28220478979).

203200020221 is a wasteful number, since it uses less digits than its factorization.

203200020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844100.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 203200020221 its reverse (122020002302), we get a palindrome (325220022523).

The spelling of 203200020221 in words is "two hundred three billion, two hundred million, twenty thousand, two hundred twenty-one".