20144302 has 8 divisors (see below), whose sum is σ = 30385800. Its totient is φ = 10015704.

The previous prime is 20144279. The next prime is 20144321. The reversal of 20144302 is 20344102.

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

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, 27777 + ... + 28492.

It is an arithmetic number, because the mean of its divisors is an integer number (3798225).

Almost surely, 2^20144302 is an apocalyptic number.

20144302 is a deficient number, since it is larger than the sum of its proper divisors (10241498).

20144302 is a wasteful number, since it uses less digits than its factorization.

20144302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56450.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20144302 is about 4488.2404124556. The cubic root of 20144302 is about 272.0930243382.

Adding to 20144302 its reverse (20344102), we get a palindrome (40488404).

The spelling of 20144302 in words is "twenty million, one hundred forty-four thousand, three hundred two".