203320131222020 has 24 divisors (see below), whose sum is σ = 426974314132800. Its totient is φ = 81327664190432.

The previous prime is 203320131221989. The next prime is 203320131222023. The reversal of 203320131222020 is 20222131023302.

It is not an unprimeable number, because it can be changed into a prime (203320131222023) 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, 19956290 + ... + 28370649.

It is an arithmetic number, because the mean of its divisors is an integer number (17790596422200).

Almost surely, 2^{203320131222020} is an apocalyptic number.

203320131222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203320131222020 is an abundant number, since it is smaller than the sum of its proper divisors (223654182910780).

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

203320131222020 is a wasteful number, since it uses less digits than its factorization.

203320131222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48537307 (or 48537305 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 203320131222020 its reverse (20222131023302), we get a palindrome (223542262245322).

The spelling of 203320131222020 in words is "two hundred three trillion, three hundred twenty billion, one hundred thirty-one million, two hundred twenty-two thousand, twenty".