201132442 has 32 divisors (see below), whose sum is σ = 364654080. Its totient is φ = 81278640.

The previous prime is 201132431. The next prime is 201132443. The reversal of 201132442 is 244231102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (201132443) 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, 58717 + ... + 62047.

It is an arithmetic number, because the mean of its divisors is an integer number (11395440).

Almost surely, 2^201132442 is an apocalyptic number.

201132442 is a deficient number, since it is larger than the sum of its proper divisors (163521638).

201132442 is a wasteful number, since it uses less digits than its factorization.

201132442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 201132442 is about 14182.1169787871. The cubic root of 201132442 is about 585.9052310957.

Adding to 201132442 its reverse (244231102), we get a palindrome (445363544).

It can be divided in two parts, 2011 and 32442, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 201132442 in words is "two hundred one million, one hundred thirty-two thousand, four hundred forty-two".