20236134 has 8 divisors (see below), whose sum is σ = 40472280. Its totient is φ = 6745376.

The previous prime is 20236127. The next prime is 20236141. The reversal of 20236134 is 43163202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20236127) and next prime (20236141).

It is a sphenic number, since it is the product of 3 distinct primes.

20236134 is an admirable number.

It is a super-2 number, since 2×20236134² = 819002238531912, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20236134.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1686339 + ... + 1686350.

It is an arithmetic number, because the mean of its divisors is an integer number (5059035).

Almost surely, 2^20236134 is an apocalyptic number.

20236134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20236134 is a wasteful number, since it uses less digits than its factorization.

20236134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372694.

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

The square root of 20236134 is about 4498.4590695037. The cubic root of 20236134 is about 272.5058618945.

Adding to 20236134 its reverse (43163202), we get a palindrome (63399336).

The spelling of 20236134 in words is "twenty million, two hundred thirty-six thousand, one hundred thirty-four".