20242602 has 48 divisors (see below), whose sum is σ = 46314240. Its totient is φ = 6553440.

The previous prime is 20242591. The next prime is 20242603. The reversal of 20242602 is 20624202.

It is a happy number.

20242602 is a `hidden beast` number, since 20 + 2 + 42 + 602 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20242603) 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 23 ways as a sum of consecutive naturals, for example, 90663 + ... + 90885.

It is an arithmetic number, because the mean of its divisors is an integer number (964880).

Almost surely, 2^20242602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20242602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23157120).

20242602 is an abundant number, since it is smaller than the sum of its proper divisors (26071638).

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

20242602 is a wasteful number, since it uses less digits than its factorization.

20242602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20242602 is about 4499.1779249103. The cubic root of 20242602 is about 272.5348921457.

Adding to 20242602 its reverse (20624202), we get a palindrome (40866804).

The spelling of 20242602 in words is "twenty million, two hundred forty-two thousand, six hundred two".