203201136420 has 48 divisors (see below), whose sum is σ = 569085982080. Its totient is φ = 54175274496.

The previous prime is 203201136367. The next prime is 203201136421. The reversal of 203201136420 is 24631102302.

It is not an unprimeable number, because it can be changed into a prime (203201136421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83365 + ... + 642924.

It is an arithmetic number, because the mean of its divisors is an integer number (11855957960).

Almost surely, 2^203201136420 is an apocalyptic number.

203201136420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203201136420 is an abundant number, since it is smaller than the sum of its proper divisors (365884845660).

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

203201136420 is a wasteful number, since it uses less digits than its factorization.

203201136420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730964 (or 730962 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 203201136420 its reverse (24631102302), we get a palindrome (227832238722).

The spelling of 203201136420 in words is "two hundred three billion, two hundred one million, one hundred thirty-six thousand, four hundred twenty".