20066412 has 24 divisors (see below), whose sum is σ = 47388096. Its totient is φ = 6607888.

The previous prime is 20066401. The next prime is 20066429. The reversal of 20066412 is 21466002.

It is a happy number.

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, 9078 + ... + 11069.

It is an arithmetic number, because the mean of its divisors is an integer number (1974504).

Almost surely, 2^20066412 is an apocalyptic number.

It is an amenable number.

20066412 is an abundant number, since it is smaller than the sum of its proper divisors (27321684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20066412 is a wasteful number, since it uses less digits than its factorization.

20066412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20237 (or 20235 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20066412 is about 4479.5548886022. The cubic root of 20066412 is about 271.7418795516.

The spelling of 20066412 in words is "twenty million, sixty-six thousand, four hundred twelve".