20242336 has 48 divisors (see below), whose sum is σ = 41779584. Its totient is φ = 9644544.

The previous prime is 20242333. The next prime is 20242351. The reversal of 20242336 is 63324202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20242331) 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 7 ways as a sum of consecutive naturals, for example, 64516 + ... + 64828.

It is an arithmetic number, because the mean of its divisors is an integer number (870408).

Almost surely, 2^20242336 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 20242336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20889792).

20242336 is an abundant number, since it is smaller than the sum of its proper divisors (21537248).

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

20242336 is a wasteful number, since it uses less digits than its factorization.

20242336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 20242336 is about 4499.1483638573. The cubic root of 20242336 is about 272.5336983828.

Adding to 20242336 its reverse (63324202), we get a palindrome (83566538).

The spelling of 20242336 in words is "twenty million, two hundred forty-two thousand, three hundred thirty-six".