20140502 has 8 divisors (see below), whose sum is σ = 31524336. Its totient is φ = 9632392.

The previous prime is 20140493. The next prime is 20140559. The reversal of 20140502 is 20504102.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218873 + ... + 218964.

It is an arithmetic number, because the mean of its divisors is an integer number (3940542).

Almost surely, 2^20140502 is an apocalyptic number.

20140502 is a deficient number, since it is larger than the sum of its proper divisors (11383834).

20140502 is a wasteful number, since it uses less digits than its factorization.

20140502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437862.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 20140502 is about 4487.8170640078. The cubic root of 20140502 is about 272.0759141481.

Adding to 20140502 its reverse (20504102), we get a palindrome (40644604).

The spelling of 20140502 in words is "twenty million, one hundred forty thousand, five hundred two".