203012303022 has 64 divisors (see below), whose sum is σ = 454399848000. Its totient is φ = 67182030720.

The previous prime is 203012302979. The next prime is 203012303063. The reversal of 203012303022 is 220303210302.

It is a happy number.

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 = 203012302986 and 203012303004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19152228 + ... + 19162824.

It is an arithmetic number, because the mean of its divisors is an integer number (7099997625).

Almost surely, 2^203012303022 is an apocalyptic number.

203012303022 is an abundant number, since it is smaller than the sum of its proper divisors (251387544978).

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

203012303022 is a wasteful number, since it uses less digits than its factorization.

203012303022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13138 (or 13132 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 203012303022 its reverse (220303210302), we get a palindrome (423315513324).

The spelling of 203012303022 in words is "two hundred three billion, twelve million, three hundred three thousand, twenty-two".