20476368 has 160 divisors (see below), whose sum is σ = 66662400. Its totient is φ = 5961600.

The previous prime is 20476367. The next prime is 20476387. The reversal of 20476368 is 86367402.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20476361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147243 + ... + 147381.

It is an arithmetic number, because the mean of its divisors is an integer number (416640).

Almost surely, 2^20476368 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 20476368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33331200).

20476368 is an abundant number, since it is smaller than the sum of its proper divisors (46186032).

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

20476368 is a wasteful number, since it uses less digits than its factorization.

20476368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 186 counting only the distinct ones).

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

The square root of 20476368 is about 4525.0820987027. The cubic root of 20476368 is about 273.5799769896.

The spelling of 20476368 in words is "twenty million, four hundred seventy-six thousand, three hundred sixty-eight".