20054318 has 4 divisors (see below), whose sum is σ = 30081480. Its totient is φ = 10027158.

The previous prime is 20054317. The next prime is 20054327. The reversal of 20054318 is 81345002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81345002 = 2 ⋅40672501.

It is a junction number, because it is equal to n+sod(n) for n = 20054293 and 20054302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5013578 + ... + 5013581.

It is an arithmetic number, because the mean of its divisors is an integer number (7520370).

Almost surely, 2^20054318 is an apocalyptic number.

20054318 is a deficient number, since it is larger than the sum of its proper divisors (10027162).

20054318 is a wasteful number, since it uses less digits than its factorization.

20054318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027161.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20054318 is about 4478.2047742371. The cubic root of 20054318 is about 271.6872757564.

The spelling of 20054318 in words is "twenty million, fifty-four thousand, three hundred eighteen".