20076866 has 16 divisors (see below), whose sum is σ = 31259256. Its totient is φ = 9662976.

The previous prime is 20076857. The next prime is 20076899. The reversal of 20076866 is 66867002.

It can be written as a sum of positive squares in 4 ways, for example, as 19989841 + 87025 = 4471^2 + 295^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5780 + ... + 8576.

Almost surely, 2^20076866 is an apocalyptic number.

20076866 is a deficient number, since it is larger than the sum of its proper divisors (11182390).

20076866 is a wasteful number, since it uses less digits than its factorization.

20076866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 20076866 is about 4480.7215936722. The cubic root of 20076866 is about 271.7890611542.

The spelling of 20076866 in words is "twenty million, seventy-six thousand, eight hundred sixty-six".