203030303022 has 24 divisors (see below), whose sum is σ = 450129200664. Its totient is φ = 66102889104.

The previous prime is 203030303009. The next prime is 203030303029. The reversal of 203030303022 is 220303030302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 203030302986 and 203030303004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203030303029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131155753 + ... + 131157300.

It is an arithmetic number, because the mean of its divisors is an integer number (18755383361).

Almost surely, 2^203030303022 is an apocalyptic number.

203030303022 is an abundant number, since it is smaller than the sum of its proper divisors (247098897642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203030303022 is a wasteful number, since it uses less digits than its factorization.

203030303022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262313104 (or 262313101 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 203030303022 its reverse (220303030302), we get a palindrome (423333333324).

It can be divided in two parts, 20303030302 and 2, that multiplied together give a palindrome (40606060604).

The spelling of 203030303022 in words is "two hundred three billion, thirty million, three hundred three thousand, twenty-two".