20023413134 has 16 divisors (see below), whose sum is σ = 30114473760. Its totient is φ = 9985290240.

The previous prime is 20023413133. The next prime is 20023413139. The reversal of 20023413134 is 43131432002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023413133) by changing a digit.

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, 1252262 + ... + 1268150.

It is an arithmetic number, because the mean of its divisors is an integer number (1882154610).

Almost surely, 2^20023413134 is an apocalyptic number.

20023413134 is a deficient number, since it is larger than the sum of its proper divisors (10091060626).

20023413134 is a wasteful number, since it uses less digits than its factorization.

20023413134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17515.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20023413134 its reverse (43131432002), we get a palindrome (63154845136).

The spelling of 20023413134 in words is "twenty billion, twenty-three million, four hundred thirteen thousand, one hundred thirty-four".