203321131224020 has 24 divisors (see below), whose sum is σ = 428483118958944. Its totient is φ = 81041072796576.

The previous prime is 203321131223999. The next prime is 203321131224041. The reversal of 203321131224020 is 20422131123302.

It is an interprime number because it is at equal distance from previous prime (203321131223999) and next prime (203321131224041).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17961225014 + ... + 17961236333.

It is an arithmetic number, because the mean of its divisors is an integer number (17853463289956).

Almost surely, 2^{203321131224020} is an apocalyptic number.

203321131224020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203321131224020 is an abundant number, since it is smaller than the sum of its proper divisors (225161987734924).

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

203321131224020 is a wasteful number, since it uses less digits than its factorization.

203321131224020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35922461639 (or 35922461637 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 203321131224020 its reverse (20422131123302), we get a palindrome (223743262347322).

The spelling of 203321131224020 in words is "two hundred three trillion, three hundred twenty-one billion, one hundred thirty-one million, two hundred twenty-four thousand, twenty".