201023132 has 6 divisors (see below), whose sum is σ = 351790488. Its totient is φ = 100511564.

The previous prime is 201023131. The next prime is 201023153. The reversal of 201023132 is 231320102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201023131) by changing a digit.

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 as a sum of consecutive naturals, namely, 25127888 + ... + 25127895.

It is an arithmetic number, because the mean of its divisors is an integer number (58631748).

Almost surely, 2^201023132 is an apocalyptic number.

It is an amenable number.

201023132 is a deficient number, since it is larger than the sum of its proper divisors (150767356).

201023132 is a wasteful number, since it uses less digits than its factorization.

201023132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50255787 (or 50255785 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 201023132 is about 14178.2626580269. The cubic root of 201023132 is about 585.7990706872.

Adding to 201023132 its reverse (231320102), we get a palindrome (432343234).

The spelling of 201023132 in words is "two hundred one million, twenty-three thousand, one hundred thirty-two".