203001344120 has 64 divisors (see below), whose sum is σ = 466014669120. Its totient is φ = 79558262784.

The previous prime is 203001344101. The next prime is 203001344171. The reversal of 203001344120 is 21443100302.

203001344120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 203001344092 and 203001344101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475384 + ... + 1607096.

It is an arithmetic number, because the mean of its divisors is an integer number (7281479205).

Almost surely, 2^203001344120 is an apocalyptic number.

203001344120 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 203001344120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233007334560).

203001344120 is an abundant number, since it is smaller than the sum of its proper divisors (263013325000).

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

203001344120 is a wasteful number, since it uses less digits than its factorization.

203001344120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132504 (or 132500 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203001344120 its reverse (21443100302), we get a palindrome (224444444422).

The spelling of 203001344120 in words is "two hundred three billion, one million, three hundred forty-four thousand, one hundred twenty".