20140350 has 24 divisors (see below), whose sum is σ = 49948440. Its totient is φ = 5370720.

The previous prime is 20140349. The next prime is 20140363. The reversal of 20140350 is 5304102.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 11 ways as a sum of consecutive naturals, for example, 66985 + ... + 67284.

It is an arithmetic number, because the mean of its divisors is an integer number (2081185).

Almost surely, 2^20140350 is an apocalyptic number.

20140350 is an abundant number, since it is smaller than the sum of its proper divisors (29808090).

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

20140350 is a wasteful number, since it uses less digits than its factorization.

20140350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134284 (or 134279 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20140350 is about 4487.8001292393. The cubic root of 20140350 is about 272.0752296957.

Adding to 20140350 its reverse (5304102), we get a palindrome (25444452).

The spelling of 20140350 in words is "twenty million, one hundred forty thousand, three hundred fifty".