203426220 has 24 divisors (see below), whose sum is σ = 569593584. Its totient is φ = 54246976.

The previous prime is 203426203. The next prime is 203426227. The reversal of 203426220 is 22624302.

It is not an unprimeable number, because it can be changed into a prime (203426227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695159 + ... + 1695278.

It is an arithmetic number, because the mean of its divisors is an integer number (23733066).

Almost surely, 2^203426220 is an apocalyptic number.

203426220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203426220 is an abundant number, since it is smaller than the sum of its proper divisors (366167364).

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

203426220 is a wasteful number, since it uses less digits than its factorization.

203426220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390449 (or 3390447 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 203426220 is about 14262.7563955920. The cubic root of 203426220 is about 588.1241003275.

It can be divided in two parts, 20342 and 6220, that added together give a palindrome (26562).

The spelling of 203426220 in words is "two hundred three million, four hundred twenty-six thousand, two hundred twenty".