20102233105142 has 8 divisors (see below), whose sum is σ = 30451897674432. Its totient is φ = 9951600547000.

The previous prime is 20102233105133. The next prime is 20102233105189. The reversal of 20102233105142 is 24150133220102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49758002534 + ... + 49758002937.

It is an arithmetic number, because the mean of its divisors is an integer number (3806487209304).

Almost surely, 2^{20102233105142} is an apocalyptic number.

20102233105142 is a deficient number, since it is larger than the sum of its proper divisors (10349664569290).

20102233105142 is a wasteful number, since it uses less digits than its factorization.

20102233105142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99516005574.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20102233105142 its reverse (24150133220102), we get a palindrome (44252366325244).

The spelling of 20102233105142 in words is "twenty trillion, one hundred two billion, two hundred thirty-three million, one hundred five thousand, one hundred forty-two".