20061164 has 6 divisors (see below), whose sum is σ = 35107044. Its totient is φ = 10030580.

The previous prime is 20061161. The next prime is 20061187. The reversal of 20061164 is 46116002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20061161) 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 as a sum of consecutive naturals, namely, 2507642 + ... + 2507649.

It is an arithmetic number, because the mean of its divisors is an integer number (5851174).

Almost surely, 2^20061164 is an apocalyptic number.

It is an amenable number.

20061164 is a deficient number, since it is larger than the sum of its proper divisors (15045880).

20061164 is a wasteful number, since it uses less digits than its factorization.

20061164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015295 (or 5015293 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20061164 is about 4478.9690778124. The cubic root of 20061164 is about 271.7181877937.

Adding to 20061164 its reverse (46116002), we get a palindrome (66177166).

The spelling of 20061164 in words is "twenty million, sixty-one thousand, one hundred sixty-four".