20343022332142 has 16 divisors (see below), whose sum is σ = 31164048724032. Its totient is φ = 9955009838560.

The previous prime is 20343022331971. The next prime is 20343022332209. The reversal of 20343022332142 is 24123322034302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10748292 + ... + 12498472.

It is an arithmetic number, because the mean of its divisors is an integer number (1947753045252).

Almost surely, 2^{20343022332142} is an apocalyptic number.

20343022332142 is a deficient number, since it is larger than the sum of its proper divisors (10821026391890).

20343022332142 is a wasteful number, since it uses less digits than its factorization.

20343022332142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873883.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20343022332142 its reverse (24123322034302), we get a palindrome (44466344366444).

The spelling of 20343022332142 in words is "twenty trillion, three hundred forty-three billion, twenty-two million, three hundred thirty-two thousand, one hundred forty-two".