20488134 has 8 divisors (see below), whose sum is σ = 40976280. Its totient is φ = 6829376.

The previous prime is 20488129. The next prime is 20488141. The reversal of 20488134 is 43188402.

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

20488134 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707339 + ... + 1707350.

It is an arithmetic number, because the mean of its divisors is an integer number (5122035).

Almost surely, 2^20488134 is an apocalyptic number.

20488134 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.

20488134 is a wasteful number, since it uses less digits than its factorization.

20488134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414694.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 20488134 is about 4526.3819989038. The cubic root of 20488134 is about 273.6323678833.

The spelling of 20488134 in words is "twenty million, four hundred eighty-eight thousand, one hundred thirty-four".