20775068 has 6 divisors (see below), whose sum is σ = 36356376. Its totient is φ = 10387532.

The previous prime is 20775061. The next prime is 20775077. The reversal of 20775068 is 86057702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20775061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2596880 + ... + 2596887.

It is an arithmetic number, because the mean of its divisors is an integer number (6059396).

Almost surely, 2^20775068 is an apocalyptic number.

It is an amenable number.

20775068 is a deficient number, since it is larger than the sum of its proper divisors (15581308).

20775068 is a wasteful number, since it uses less digits than its factorization.

20775068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193771 (or 5193769 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 20775068 is about 4557.9675295026. The cubic root of 20775068 is about 274.9038473763.

The spelling of 20775068 in words is "twenty million, seven hundred seventy-five thousand, sixty-eight".