203020303220 has 48 divisors (see below), whose sum is σ = 487483344768. Its totient is φ = 69573444480.

The previous prime is 203020303207. The next prime is 203020303229. The reversal of 203020303220 is 22303020302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203020303229) 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, 56471 + ... + 639710.

It is an arithmetic number, because the mean of its divisors is an integer number (10155903016).

Almost surely, 2^203020303220 is an apocalyptic number.

203020303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203020303220 is an abundant number, since it is smaller than the sum of its proper divisors (284463041548).

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

203020303220 is a wasteful number, since it uses less digits than its factorization.

203020303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698280 (or 698278 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 203020303220 its reverse (22303020302), we get a palindrome (225323323522).

The spelling of 203020303220 in words is "two hundred three billion, twenty million, three hundred three thousand, two hundred twenty".