20242420239 has 16 divisors (see below), whose sum is σ = 27969717600. Its totient is φ = 13006672896.

The previous prime is 20242420111. The next prime is 20242420291. The reversal of 20242420239 is 93202424202.

It is not a de Polignac number, because 20242420239 - 2⁷ = 20242420111 is a prime.

It is a super-3 number, since 3×20242420239³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242420339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154954 + ... + 253959.

It is an arithmetic number, because the mean of its divisors is an integer number (1748107350).

Almost surely, 2^20242420239 is an apocalyptic number.

20242420239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20242420239 is a deficient number, since it is larger than the sum of its proper divisors (7727297361).

20242420239 is a wasteful number, since it uses less digits than its factorization.

20242420239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409514.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 20242420239 in words is "twenty billion, two hundred forty-two million, four hundred twenty thousand, two hundred thirty-nine".