20381362 has 16 divisors (see below), whose sum is σ = 31819392. Its totient is φ = 9783280.

The previous prime is 20381359. The next prime is 20381363. The reversal of 20381362 is 26318302.

It is not an unprimeable number, because it can be changed into a prime (20381363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937 + ... + 7027.

It is an arithmetic number, because the mean of its divisors is an integer number (1988712).

Almost surely, 2^20381362 is an apocalyptic number.

20381362 is a deficient number, since it is larger than the sum of its proper divisors (11438030).

20381362 is a wasteful number, since it uses less digits than its factorization.

20381362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20381362 is about 4514.5721834965. The cubic root of 20381362 is about 273.1562032365.

Adding to 20381362 its reverse (26318302), we get a palindrome (46699664).

The spelling of 20381362 in words is "twenty million, three hundred eighty-one thousand, three hundred sixty-two".