20242442256 has 40 divisors (see below), whose sum is σ = 52311785760. Its totient is φ = 6745053696.

The previous prime is 20242442189. The next prime is 20242442257. The reversal of 20242442256 is 65224424202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20242442257) 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, 61555 + ... + 210413.

It is an arithmetic number, because the mean of its divisors is an integer number (1307794644).

Almost surely, 2^20242442256 is an apocalyptic number.

It is an amenable number.

20242442256 is an abundant number, since it is smaller than the sum of its proper divisors (32069343504).

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

20242442256 is a wasteful number, since it uses less digits than its factorization.

20242442256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151703 (or 151697 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 20242442256 its reverse (65224424202), we get a palindrome (85466866458).

The spelling of 20242442256 in words is "twenty billion, two hundred forty-two million, four hundred forty-two thousand, two hundred fifty-six".