203300220130021 has 16 divisors (see below), whose sum is σ = 237749286315904. Its totient is φ = 170202795485184.

The previous prime is 203300220130009. The next prime is 203300220130027. The reversal of 203300220130021 is 120031022003302.

It is a de Polignac number, because none of the positive numbers 2^k-203300220130021 is a prime.

It is a super-2 number, since 2×203300220130021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203300220130027) 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, 21372805 + ... + 29383621.

It is an arithmetic number, because the mean of its divisors is an integer number (14859330394744).

Almost surely, 2^{203300220130021} is an apocalyptic number.

It is an amenable number.

203300220130021 is a deficient number, since it is larger than the sum of its proper divisors (34449066185883).

203300220130021 is an equidigital number, since it uses as much as digits as its factorization.

203300220130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095180.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203300220130021 its reverse (120031022003302), we get a palindrome (323331242133323).

The spelling of 203300220130021 in words is "two hundred three trillion, three hundred billion, two hundred twenty million, one hundred thirty thousand, twenty-one".