20760064 has 40 divisors (see below), whose sum is σ = 44684640. Its totient is φ = 9578496.

The previous prime is 20760029. The next prime is 20760073. The reversal of 20760064 is 46006702.

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, 5097 + ... + 8215.

It is an arithmetic number, because the mean of its divisors is an integer number (1117116).

Almost surely, 2^20760064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20760064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22342320).

20760064 is an abundant number, since it is smaller than the sum of its proper divisors (23924576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20760064 is an equidigital number, since it uses as much as digits as its factorization.

20760064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150 (or 3134 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 20760064 is about 4556.3213231729. The cubic root of 20760064 is about 274.8376518339.

Adding to 20760064 its reverse (46006702), we get a palindrome (66766766).

The spelling of 20760064 in words is "twenty million, seven hundred sixty thousand, sixty-four".