20142032144234 has 128 divisors (see below), whose sum is σ = 41661799925760. Its totient is φ = 7050599712000.

The previous prime is 20142032144231. The next prime is 20142032144239. The reversal of 20142032144234 is 43244123024102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20142032144234.

It is not an unprimeable number, because it can be changed into a prime (20142032144231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11085737 + ... + 12774099.

It is an arithmetic number, because the mean of its divisors is an integer number (325482811920).

Almost surely, 2^{20142032144234} is an apocalyptic number.

20142032144234 is an abundant number, since it is smaller than the sum of its proper divisors (21519767781526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20142032144234 is a wasteful number, since it uses less digits than its factorization.

20142032144234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688556.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 20142032144234 its reverse (43244123024102), we get a palindrome (63386155168336).

The spelling of 20142032144234 in words is "twenty trillion, one hundred forty-two billion, thirty-two million, one hundred forty-four thousand, two hundred thirty-four".