20846376 has 64 divisors (see below), whose sum is σ = 58531200. Its totient is φ = 6873984.

The previous prime is 20846341. The next prime is 20846377. The reversal of 20846376 is 67364802.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20846376.

It is not an unprimeable number, because it can be changed into a prime (20846377) 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, 21780 + ... + 22716.

It is an arithmetic number, because the mean of its divisors is an integer number (914550).

Almost surely, 2^20846376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20846376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29265600).

20846376 is an abundant number, since it is smaller than the sum of its proper divisors (37684824).

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

20846376 is a wasteful number, since it uses less digits than its factorization.

20846376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 20846376 is about 4565.7831748781. The cubic root of 20846376 is about 275.2180133445.

The spelling of 20846376 in words is "twenty million, eight hundred forty-six thousand, three hundred seventy-six".