20242134742 has 8 divisors (see below), whose sum is σ = 30364556256. Its totient is φ = 10120615992.

The previous prime is 20242134713. The next prime is 20242134743. The reversal of 20242134742 is 24743124202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242134743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166533 + ... + 261184.

It is an arithmetic number, because the mean of its divisors is an integer number (3795569532).

Almost surely, 2^20242134742 is an apocalyptic number.

20242134742 is a deficient number, since it is larger than the sum of its proper divisors (10122421514).

20242134742 is a wasteful number, since it uses less digits than its factorization.

20242134742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451382.

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 20242134742 its reverse (24743124202), we get a palindrome (44985258944).

The spelling of 20242134742 in words is "twenty billion, two hundred forty-two million, one hundred thirty-four thousand, seven hundred forty-two".