20023111130042 has 16 divisors (see below), whose sum is σ = 30487585654752. Its totient is φ = 9860628072240.

The previous prime is 20023111129951. The next prime is 20023111130053. The reversal of 20023111130042 is 24003111132002.

It is a junction number, because it is equal to n+sod(n) for n = 20023111129996 and 20023111130023.

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, 10489613 + ... + 12250640.

It is an arithmetic number, because the mean of its divisors is an integer number (1905474103422).

Almost surely, 2^{20023111130042} is an apocalyptic number.

20023111130042 is a deficient number, since it is larger than the sum of its proper divisors (10464474524710).

20023111130042 is a wasteful number, since it uses less digits than its factorization.

20023111130042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22746893.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20023111130042 its reverse (24003111132002), we get a palindrome (44026222262044).

The spelling of 20023111130042 in words is "twenty trillion, twenty-three billion, one hundred eleven million, one hundred thirty thousand, forty-two".