20116370 has 8 divisors (see below), whose sum is σ = 36209484. Its totient is φ = 8046544.

The previous prime is 20116367. The next prime is 20116379. The reversal of 20116370 is 7361102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16540489 + 3575881 = 4067^2 + 1891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20116379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005809 + ... + 1005828.

Almost surely, 2^20116370 is an apocalyptic number.

20116370 is a deficient number, since it is larger than the sum of its proper divisors (16093114).

20116370 is a wasteful number, since it uses less digits than its factorization.

20116370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011644.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 20116370 is about 4485.1276458982. The cubic root of 20116370 is about 271.9672051724.

Adding to 20116370 its reverse (7361102), we get a palindrome (27477472).

The spelling of 20116370 in words is "twenty million, one hundred sixteen thousand, three hundred seventy".