20043021134 has 16 divisors (see below), whose sum is σ = 30805091856. Its totient is φ = 9774772800.

The previous prime is 20043021121. The next prime is 20043021161. The reversal of 20043021134 is 43112034002.

It is a congruent number.

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, 350369 + ... + 403539.

It is an arithmetic number, because the mean of its divisors is an integer number (1925318241).

Almost surely, 2^20043021134 is an apocalyptic number.

20043021134 is a deficient number, since it is larger than the sum of its proper divisors (10762070722).

20043021134 is a wasteful number, since it uses less digits than its factorization.

20043021134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57811.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20043021134 its reverse (43112034002), we get a palindrome (63155055136).

The spelling of 20043021134 in words is "twenty billion, forty-three million, twenty-one thousand, one hundred thirty-four".