20133132 has 48 divisors (see below), whose sum is σ = 48620544. Its totient is φ = 6480000.

The previous prime is 20133131. The next prime is 20133137. The reversal of 20133132 is 23133102.

It is not an unprimeable number, because it can be changed into a prime (20133131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74157 + ... + 74427.

It is an arithmetic number, because the mean of its divisors is an integer number (1012928).

Almost surely, 2^20133132 is an apocalyptic number.

It is an amenable number.

20133132 is an abundant number, since it is smaller than the sum of its proper divisors (28487412).

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

20133132 is a wasteful number, since it uses less digits than its factorization.

20133132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 20133132 is about 4486.9958769760. The cubic root of 20133132 is about 272.0427232487.

Adding to 20133132 its reverse (23133102), we get a palindrome (43266234).

It can be divided in two parts, 201 and 33132, that added together give a palindrome (33333).

The spelling of 20133132 in words is "twenty million, one hundred thirty-three thousand, one hundred thirty-two".