20128414 has 8 divisors (see below), whose sum is σ = 30687768. Its totient is φ = 9899160.

The previous prime is 20128411. The next prime is 20128421. The reversal of 20128414 is 41482102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20128411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82372 + ... + 82615.

It is an arithmetic number, because the mean of its divisors is an integer number (3835971).

Almost surely, 2^20128414 is an apocalyptic number.

20128414 is a deficient number, since it is larger than the sum of its proper divisors (10559354).

20128414 is a wasteful number, since it uses less digits than its factorization.

20128414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165050.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 20128414 is about 4486.4701046591. The cubic root of 20128414 is about 272.0214714163.

The spelling of 20128414 in words is "twenty million, one hundred twenty-eight thousand, four hundred fourteen".