20140352 has 14 divisors (see below), whose sum is σ = 39966138. Its totient is φ = 10070144.

The previous prime is 20140349. The next prime is 20140363. The reversal of 20140352 is 25304102.

It can be written as a sum of positive squares in only one way, i.e., 14868736 + 5271616 = 3856^2 + 2296^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20140352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157283 + ... + 157410.

Almost surely, 2^20140352 is an apocalyptic number.

It is an amenable number.

20140352 is a deficient number, since it is larger than the sum of its proper divisors (19825786).

20140352 is an equidigital number, since it uses as much as digits as its factorization.

20140352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314705 (or 314695 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20140352 is about 4487.8003520656. The cubic root of 20140352 is about 272.0752387017.

Adding to 20140352 its reverse (25304102), we get a palindrome (45444454).

The spelling of 20140352 in words is "twenty million, one hundred forty thousand, three hundred fifty-two".