20042153051163 has 4 divisors (see below), whose sum is σ = 26722870734888. Its totient is φ = 13361435367440.

The previous prime is 20042153051131. The next prime is 20042153051183. The reversal of 20042153051163 is 36115035124002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20042153051163 - 2⁵ = 20042153051131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20042153051183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3340358841858 + ... + 3340358841863.

It is an arithmetic number, because the mean of its divisors is an integer number (6680717683722).

Almost surely, 2^{20042153051163} is an apocalyptic number.

20042153051163 is a deficient number, since it is larger than the sum of its proper divisors (6680717683725).

20042153051163 is an equidigital number, since it uses as much as digits as its factorization.

20042153051163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680717683724.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 20042153051163 its reverse (36115035124002), we get a palindrome (56157188175165).

The spelling of 20042153051163 in words is "twenty trillion, forty-two billion, one hundred fifty-three million, fifty-one thousand, one hundred sixty-three".