20151314 has 4 divisors (see below), whose sum is σ = 30226974. Its totient is φ = 10075656.

The previous prime is 20151311. The next prime is 20151319. The reversal of 20151314 is 41315102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16605625 + 3545689 = 4075^2 + 1883^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20151292 and 20151301.

It is not an unprimeable number, because it can be changed into a prime (20151311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5037827 + ... + 5037830.

Almost surely, 2^20151314 is an apocalyptic number.

20151314 is a deficient number, since it is larger than the sum of its proper divisors (10075660).

20151314 is a wasteful number, since it uses less digits than its factorization.

20151314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10075659.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20151314 is about 4489.0214969412. The cubic root of 20151314 is about 272.1245914939.

Adding to 20151314 its reverse (41315102), we get a palindrome (61466416).

It can be divided in two parts, 201 and 51314, that added together give a palindrome (51515).

The spelling of 20151314 in words is "twenty million, one hundred fifty-one thousand, three hundred fourteen".