20650060 has 24 divisors (see below), whose sum is σ = 44424576. Its totient is φ = 8058240.

The previous prime is 20650057. The next prime is 20650081. The reversal of 20650060 is 6005602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11772 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (1851024).

Almost surely, 2^20650060 is an apocalyptic number.

20650060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20650060 is an abundant number, since it is smaller than the sum of its proper divisors (23774516).

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

20650060 is a wasteful number, since it uses less digits than its factorization.

20650060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25233 (or 25231 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20650060 is about 4544.2337087786. The cubic root of 20650060 is about 274.3513527702.

Adding to 20650060 its reverse (6005602), we get a palindrome (26655662).

The spelling of 20650060 in words is "twenty million, six hundred fifty thousand, sixty".