20134023012042 has 64 divisors (see below), whose sum is σ = 43523614199808. Its totient is φ = 6186348000000.

The previous prime is 20134023012031. The next prime is 20134023012071. The reversal of 20134023012042 is 24021032043102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8112334 + ... + 10299417.

It is an arithmetic number, because the mean of its divisors is an integer number (680056471872).

Almost surely, 2^{20134023012042} is an apocalyptic number.

20134023012042 is an abundant number, since it is smaller than the sum of its proper divisors (23389591187766).

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

20134023012042 is a wasteful number, since it uses less digits than its factorization.

20134023012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18411995.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20134023012042 its reverse (24021032043102), we get a palindrome (44155055055144).

The spelling of 20134023012042 in words is "twenty trillion, one hundred thirty-four billion, twenty-three million, twelve thousand, forty-two".