203413020120 has 128 divisors (see below), whose sum is σ = 678473726400. Its totient is φ = 54209046528.

The previous prime is 203413020101. The next prime is 203413020121. The reversal of 203413020120 is 21020314302.

203413020120 is a `hidden beast` number, since 2 + 0 + 341 + 302 + 0 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 203413020093 and 203413020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203413020121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1665792 + ... + 1783728.

Almost surely, 2^203413020120 is an apocalyptic number.

203413020120 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 203413020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339236863200).

203413020120 is an abundant number, since it is smaller than the sum of its proper divisors (475060706280).

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

203413020120 is a wasteful number, since it uses less digits than its factorization.

203413020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119554 (or 119544 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 203413020120 its reverse (21020314302), we get a palindrome (224433334422).

The spelling of 203413020120 in words is "two hundred three billion, four hundred thirteen million, twenty thousand, one hundred twenty".