203202112313020 has 24 divisors (see below), whose sum is σ = 426725794225584. Its totient is φ = 81280586188416.

The previous prime is 203202112312963. The next prime is 203202112313033. The reversal of 203202112313020 is 20313211202302.

It is a junction number, because it is equal to n+sod(n) for n = 203202112312982 and 203202112313000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9667282 + ... + 22357561.

It is an arithmetic number, because the mean of its divisors is an integer number (17780241426066).

Almost surely, 2^{203202112313020} is an apocalyptic number.

203202112313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203202112313020 is an abundant number, since it is smaller than the sum of its proper divisors (223523681912564).

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

203202112313020 is a wasteful number, since it uses less digits than its factorization.

203202112313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32342109 (or 32342107 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 203202112313020 its reverse (20313211202302), we get a palindrome (223515323515322).

The spelling of 203202112313020 in words is "two hundred three trillion, two hundred two billion, one hundred twelve million, three hundred thirteen thousand, twenty".