20123004034 has 64 divisors (see below), whose sum is σ = 36192448512. Its totient is φ = 8211772800.

The previous prime is 20123004029. The next prime is 20123004151. The reversal of 20123004034 is 43040032102.

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 31 ways as a sum of consecutive naturals, for example, 7949349 + ... + 7951879.

It is an arithmetic number, because the mean of its divisors is an integer number (565507008).

Almost surely, 2^20123004034 is an apocalyptic number.

20123004034 is a deficient number, since it is larger than the sum of its proper divisors (16069444478).

20123004034 is a wasteful number, since it uses less digits than its factorization.

20123004034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20123004034 its reverse (43040032102), we get a palindrome (63163036136).

The spelling of 20123004034 in words is "twenty billion, one hundred twenty-three million, four thousand, thirty-four".