20134632 has 32 divisors (see below), whose sum is σ = 57528000. Its totient is φ = 5752704.

The previous prime is 20134627. The next prime is 20134633. The reversal of 20134632 is 23643102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20134599 and 20134608.

It is not an unprimeable number, because it can be changed into a prime (20134633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59757 + ... + 60092.

It is an arithmetic number, because the mean of its divisors is an integer number (1797750).

Almost surely, 2^20134632 is an apocalyptic number.

It is an amenable number.

20134632 is an abundant number, since it is smaller than the sum of its proper divisors (37393368).

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

20134632 is a wasteful number, since it uses less digits than its factorization.

20134632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119865 (or 119861 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20134632 is about 4487.1630235595. The cubic root of 20134632 is about 272.0494791764.

Adding to 20134632 its reverse (23643102), we get a palindrome (43777734).

The spelling of 20134632 in words is "twenty million, one hundred thirty-four thousand, six hundred thirty-two".