20324224042142 has 32 divisors (see below), whose sum is σ = 33204928579200. Its totient is φ = 9293198796000.

The previous prime is 20324224042141. The next prime is 20324224042159. The reversal of 20324224042142 is 24124042242302.

It is a junction number, because it is equal to n+sod(n) for n = 20324224042099 and 20324224042108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324224042141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2833217 + ... + 6976787.

It is an arithmetic number, because the mean of its divisors is an integer number (1037654018100).

Almost surely, 2^{20324224042142} is an apocalyptic number.

20324224042142 is a deficient number, since it is larger than the sum of its proper divisors (12880704537058).

20324224042142 is a wasteful number, since it uses less digits than its factorization.

20324224042142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148072.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 20324224042142 its reverse (24124042242302), we get a palindrome (44448266284444).

The spelling of 20324224042142 in words is "twenty trillion, three hundred twenty-four billion, two hundred twenty-four million, forty-two thousand, one hundred forty-two".