20975068 has 12 divisors (see below), whose sum is σ = 37399320. Its totient is φ = 10289552.

The previous prime is 20975063. The next prime is 20975081. The reversal of 20975068 is 86057902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20975063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49258 + ... + 49681.

It is an arithmetic number, because the mean of its divisors is an integer number (3116610).

Almost surely, 2^20975068 is an apocalyptic number.

It is an amenable number.

20975068 is a deficient number, since it is larger than the sum of its proper divisors (16424252).

20975068 is a wasteful number, since it uses less digits than its factorization.

20975068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98996 (or 98994 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 20975068 is about 4579.8545828443. The cubic root of 20975068 is about 275.7831910713.

The spelling of 20975068 in words is "twenty million, nine hundred seventy-five thousand, sixty-eight".