20382134 has 4 divisors (see below), whose sum is σ = 30573204. Its totient is φ = 10191066.

The previous prime is 20382127. The next prime is 20382139. The reversal of 20382134 is 43128302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20382139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5095532 + ... + 5095535.

It is an arithmetic number, because the mean of its divisors is an integer number (7643301).

Almost surely, 2^20382134 is an apocalyptic number.

20382134 is a deficient number, since it is larger than the sum of its proper divisors (10191070).

20382134 is a wasteful number, since it uses less digits than its factorization.

20382134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191069.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20382134 is about 4514.6576835902. The cubic root of 20382134 is about 273.1596520398.

The spelling of 20382134 in words is "twenty million, three hundred eighty-two thousand, one hundred thirty-four".