203031425021200 has 120 divisors (see below), whose sum is σ = 513519388012800. Its totient is φ = 76928694151680.

The previous prime is 203031425021189. The next prime is 203031425021213. The reversal of 203031425021200 is 2120524130302.

It is a super-2 number, since 2×203031425021200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 23 ways as a sum of consecutive naturals, for example, 59856321 + ... + 63157279.

It is an arithmetic number, because the mean of its divisors is an integer number (4279328233440).

Almost surely, 2^{203031425021200} is an apocalyptic number.

203031425021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203031425021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256759694006400).

203031425021200 is an abundant number, since it is smaller than the sum of its proper divisors (310487962991600).

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

203031425021200 is a wasteful number, since it uses less digits than its factorization.

203031425021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309089 (or 3309078 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 203031425021200 its reverse (2120524130302), we get a palindrome (205151949151502).

The spelling of 203031425021200 in words is "two hundred three trillion, thirty-one billion, four hundred twenty-five million, twenty-one thousand, two hundred".