132020445 has 16 divisors (see below), whose sum is σ = 211705920. Its totient is φ = 70253184.

The previous prime is 132020443. The next prime is 132020459. The reversal of 132020445 is 544020231.

It is not a de Polignac number, because 132020445 - 2¹ = 132020443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132020443) 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 in 15 ways as a sum of consecutive naturals, for example, 2775 + ... + 16484.

It is an arithmetic number, because the mean of its divisors is an integer number (13231620).

Almost surely, 2^132020445 is an apocalyptic number.

132020445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132020445 is a deficient number, since it is larger than the sum of its proper divisors (79685475).

132020445 is a wasteful number, since it uses less digits than its factorization.

132020445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19724.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 132020445 is about 11490.0150130450. The cubic root of 132020445 is about 509.1906231464.

Adding to 132020445 its reverse (544020231), we get a palindrome (676040676).

The spelling of 132020445 in words is "one hundred thirty-two million, twenty thousand, four hundred forty-five".