20140854 has 16 divisors (see below), whose sum is σ = 40849920. Its totient is φ = 6618920.

The previous prime is 20140853. The next prime is 20140873. The reversal of 20140854 is 45804102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23214 + ... + 24065.

It is an arithmetic number, because the mean of its divisors is an integer number (2553120).

Almost surely, 2^20140854 is an apocalyptic number.

20140854 is an abundant number, since it is smaller than the sum of its proper divisors (20709066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20140854 is a wasteful number, since it uses less digits than its factorization.

20140854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47355.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 20140854 is about 4487.8562811213. The cubic root of 20140854 is about 272.0774991824.

Adding to 20140854 its reverse (45804102), we get a palindrome (65944956).

The spelling of 20140854 in words is "twenty million, one hundred forty thousand, eight hundred fifty-four".