20577106 has 32 divisors (see below), whose sum is σ = 36640512. Its totient is φ = 8559360.

The previous prime is 20577103. The next prime is 20577119. The reversal of 20577106 is 60177502.

It is not an unprimeable number, because it can be changed into a prime (20577103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13095 + ... + 14581.

It is an arithmetic number, because the mean of its divisors is an integer number (1145016).

Almost surely, 2^20577106 is an apocalyptic number.

20577106 is a deficient number, since it is larger than the sum of its proper divisors (16063406).

20577106 is a wasteful number, since it uses less digits than its factorization.

20577106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554.

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

The square root of 20577106 is about 4536.1995106036. The cubic root of 20577106 is about 274.0278888976.

The spelling of 20577106 in words is "twenty million, five hundred seventy-seven thousand, one hundred six".