20364162 has 96 divisors (see below), whose sum is σ = 53406720. Its totient is φ = 5054400.

The previous prime is 20364161. The next prime is 20364163. The reversal of 20364162 is 26146302.

It is an interprime number because it is at equal distance from previous prime (20364161) and next prime (20364163).

It is not an unprimeable number, because it can be changed into a prime (20364161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134787 + ... + 134937.

It is an arithmetic number, because the mean of its divisors is an integer number (556320).

Almost surely, 2^20364162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20364162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26703360).

20364162 is an abundant number, since it is smaller than the sum of its proper divisors (33042558).

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

20364162 is a wasteful number, since it uses less digits than its factorization.

20364162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20364162 is about 4512.6668390210. Note that the first 3 decimals coincide. The cubic root of 20364162 is about 273.0793420180.

The spelling of 20364162 in words is "twenty million, three hundred sixty-four thousand, one hundred sixty-two".