20151364 has 24 divisors (see below), whose sum is σ = 36662528. Its totient is φ = 9681120.

The previous prime is 20151361. The next prime is 20151379. The reversal of 20151364 is 46315102.

It is not an unprimeable number, because it can be changed into a prime (20151361) 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, 19714 + ... + 20710.

Almost surely, 2^20151364 is an apocalyptic number.

It is an amenable number.

20151364 is a deficient number, since it is larger than the sum of its proper divisors (16511164).

20151364 is a wasteful number, since it uses less digits than its factorization.

20151364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20151364 is about 4489.0270660801. The cubic root of 20151364 is about 272.1248165615.

Adding to 20151364 its reverse (46315102), we get a palindrome (66466466).

The spelling of 20151364 in words is "twenty million, one hundred fifty-one thousand, three hundred sixty-four".