20412132 has 48 divisors (see below), whose sum is σ = 53531520. Its totient is φ = 6006528.

The previous prime is 20412113. The next prime is 20412149. The reversal of 20412132 is 23121402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744 + ... + 6432.

It is an arithmetic number, because the mean of its divisors is an integer number (1115240).

Almost surely, 2^20412132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20412132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26765760).

20412132 is an abundant number, since it is smaller than the sum of its proper divisors (33119388).

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

20412132 is a wasteful number, since it uses less digits than its factorization.

20412132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732 (or 5730 counting only the distinct ones).

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

The square root of 20412132 is about 4517.9787516101. The cubic root of 20412132 is about 273.2935965765.

Adding to 20412132 its reverse (23121402), we get a palindrome (43533534).

The spelling of 20412132 in words is "twenty million, four hundred twelve thousand, one hundred thirty-two".