20140312 has 16 divisors (see below), whose sum is σ = 37837800. Its totient is φ = 10050240.

The previous prime is 20140303. The next prime is 20140327. The reversal of 20140312 is 21304102.

It is a junction number, because it is equal to n+sod(n) for n = 20140292 and 20140301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364 + ... + 6772.

Almost surely, 2^20140312 is an apocalyptic number.

It is an amenable number.

20140312 is a deficient number, since it is larger than the sum of its proper divisors (17697488).

20140312 is a wasteful number, since it uses less digits than its factorization.

20140312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986 (or 4982 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20140312 is about 4487.7958955371. The cubic root of 20140312 is about 272.0750585821.

Adding to 20140312 its reverse (21304102), we get a palindrome (41444414).

The spelling of 20140312 in words is "twenty million, one hundred forty thousand, three hundred twelve".