20601064 has 16 divisors (see below), whose sum is σ = 42138720. Its totient is φ = 9364080.

The previous prime is 20601037. The next prime is 20601079. The reversal of 20601064 is 46010602.

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, 116964 + ... + 117139.

It is an arithmetic number, because the mean of its divisors is an integer number (2633670).

Almost surely, 2^20601064 is an apocalyptic number.

It is an amenable number.

20601064 is an abundant number, since it is smaller than the sum of its proper divisors (21537656).

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

20601064 is a wasteful number, since it uses less digits than its factorization.

20601064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234120 (or 234116 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20601064 is about 4538.8394992553. The cubic root of 20601064 is about 274.1341982083.

Adding to 20601064 its reverse (46010602), we get a palindrome (66611666).

The spelling of 20601064 in words is "twenty million, six hundred one thousand, sixty-four".