20046366 has 80 divisors (see below), whose sum is σ = 49397040. Its totient is φ = 6048000.

The previous prime is 20046347. The next prime is 20046373. The reversal of 20046366 is 66364002.

20046366 is a `hidden beast` number, since 20 + 0 + 4 + 636 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 79741 + ... + 79991.

It is an arithmetic number, because the mean of its divisors is an integer number (617463).

Almost surely, 2^20046366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20046366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24698520).

20046366 is an abundant number, since it is smaller than the sum of its proper divisors (29350674).

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

20046366 is a wasteful number, since it uses less digits than its factorization.

20046366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 20046366 is about 4477.3168304242. The cubic root of 20046366 is about 271.6513609169.

The spelling of 20046366 in words is "twenty million, forty-six thousand, three hundred sixty-six".