201132420 has 48 divisors (see below), whose sum is σ = 570312960. Its totient is φ = 52955136.

The previous prime is 201132419. The next prime is 201132427. The reversal of 201132420 is 24231102.

201132420 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201132420.

It is not an unprimeable number, because it can be changed into a prime (201132427) 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, 16477 + ... + 25956.

It is an arithmetic number, because the mean of its divisors is an integer number (11881520).

Almost surely, 2^201132420 is an apocalyptic number.

201132420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201132420 is an abundant number, since it is smaller than the sum of its proper divisors (369180540).

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

201132420 is a wasteful number, since it uses less digits than its factorization.

201132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42524 (or 42522 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201132420 is about 14182.1162031623. The cubic root of 201132420 is about 585.9052097334.

Adding to 201132420 its reverse (24231102), we get a palindrome (225363522).

The spelling of 201132420 in words is "two hundred one million, one hundred thirty-two thousand, four hundred twenty".