20523034042 has 16 divisors (see below), whose sum is σ = 35450914752. Its totient is φ = 8728443360.

The previous prime is 20523034027. The next prime is 20523034079. The reversal of 20523034042 is 24043032502.

It is a junction number, because it is equal to n+sod(n) for n = 20523033998 and 20523034016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5593323 + ... + 5596990.

It is an arithmetic number, because the mean of its divisors is an integer number (2215682172).

Almost surely, 2^20523034042 is an apocalyptic number.

20523034042 is a deficient number, since it is larger than the sum of its proper divisors (14927880710).

20523034042 is a wasteful number, since it uses less digits than its factorization.

20523034042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11190453.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20523034042 its reverse (24043032502), we get a palindrome (44566066544).

The spelling of 20523034042 in words is "twenty billion, five hundred twenty-three million, thirty-four thousand, forty-two".