20143142513522 has 32 divisors (see below), whose sum is σ = 34917405143040. Its totient is φ = 8536354099200.

The previous prime is 20143142513521. The next prime is 20143142513539. The reversal of 20143142513522 is 22531524134102.

It is not an unprimeable number, because it can be changed into a prime (20143142513521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4880447 + ... + 8006562.

It is an arithmetic number, because the mean of its divisors is an integer number (1091168910720).

Almost surely, 2^{20143142513522} is an apocalyptic number.

20143142513522 is a deficient number, since it is larger than the sum of its proper divisors (14774262629518).

20143142513522 is a wasteful number, since it uses less digits than its factorization.

20143142513522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12888266.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 20143142513522 its reverse (22531524134102), we get a palindrome (42674666647624).

The spelling of 20143142513522 in words is "twenty trillion, one hundred forty-three billion, one hundred forty-two million, five hundred thirteen thousand, five hundred twenty-two".