20140353 has 8 divisors (see below), whose sum is σ = 29837600. Its totient is φ = 13426884.

The previous prime is 20140349. The next prime is 20140363. The reversal of 20140353 is 35304102.

It is not a de Polignac number, because 20140353 - 2² = 20140349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20140303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372943 + ... + 372996.

It is an arithmetic number, because the mean of its divisors is an integer number (3729700).

Almost surely, 2^20140353 is an apocalyptic number.

It is an amenable number.

20140353 is a deficient number, since it is larger than the sum of its proper divisors (9697247).

20140353 is an equidigital number, since it uses as much as digits as its factorization.

20140353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745948 (or 745942 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20140353 is about 4487.8004634787. The cubic root of 20140353 is about 272.0752432046.

Adding to 20140353 its reverse (35304102), we get a palindrome (55444455).

The spelling of 20140353 in words is "twenty million, one hundred forty thousand, three hundred fifty-three".