20775106 has 16 divisors (see below), whose sum is σ = 34787808. Its totient is φ = 9223200.

The previous prime is 20775103. The next prime is 20775121. The reversal of 20775106 is 60157702.

It is a super-2 number, since 2×20775106² = 863210058622472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20775103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10035 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (2174238).

Almost surely, 2^20775106 is an apocalyptic number.

20775106 is a deficient number, since it is larger than the sum of its proper divisors (14012702).

20775106 is a wasteful number, since it uses less digits than its factorization.

20775106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22017.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 20775106 is about 4557.9716980253. The cubic root of 20775106 is about 274.9040149865.

The spelling of 20775106 in words is "twenty million, seven hundred seventy-five thousand, one hundred six".