20140000 has 120 divisors (see below), whose sum is σ = 53139240. Its totient is φ = 7488000.

The previous prime is 20139997. The next prime is 20140027. The reversal of 20140000 is 4102.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 379974 + ... + 380026.

It is an arithmetic number, because the mean of its divisors is an integer number (442827).

Almost surely, 2^20140000 is an apocalyptic number.

20140000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26569620).

20140000 is an abundant number, since it is smaller than the sum of its proper divisors (32999240).

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

20140000 is an equidigital number, since it uses as much as digits as its factorization.

20140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 20140000 is about 4487.7611344634. The cubic root of 20140000 is about 272.0736536409.

Adding to 20140000 its reverse (4102), we get a palindrome (20144102).

The spelling of 20140000 in words is "twenty million, one hundred forty thousand".