20113442034 has 16 divisors (see below), whose sum is σ = 45973581888. Its totient is φ = 5746697712.

The previous prime is 20113442021. The next prime is 20113442077. The reversal of 20113442034 is 43024431102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20113441995 and 20113442013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239445697 + ... + 239445780.

It is an arithmetic number, because the mean of its divisors is an integer number (2873348868).

Almost surely, 2^20113442034 is an apocalyptic number.

20113442034 is an abundant number, since it is smaller than the sum of its proper divisors (25860139854).

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

20113442034 is a wasteful number, since it uses less digits than its factorization.

20113442034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478891489.

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

Adding to 20113442034 its reverse (43024431102), we get a palindrome (63137873136).

The spelling of 20113442034 in words is "twenty billion, one hundred thirteen million, four hundred forty-two thousand, thirty-four".