20066576 has 10 divisors (see below), whose sum is σ = 38879022. Its totient is φ = 10033280.

The previous prime is 20066569. The next prime is 20066581. The reversal of 20066576 is 67566002.

It can be written as a sum of positive squares in only one way, i.e., 13512976 + 6553600 = 3676^2 + 2560^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627065 + ... + 627096.

Almost surely, 2^20066576 is an apocalyptic number.

It is an amenable number.

20066576 is a deficient number, since it is larger than the sum of its proper divisors (18812446).

20066576 is a wasteful number, since it uses less digits than its factorization.

20066576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254169 (or 1254163 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 20066576 is about 4479.5731939550. The cubic root of 20066576 is about 271.7426198525.

The spelling of 20066576 in words is "twenty million, sixty-six thousand, five hundred seventy-six".