20044134 has 36 divisors (see below), whose sum is σ = 47741148. Its totient is φ = 6073320.

The previous prime is 20044127. The next prime is 20044147. The reversal of 20044134 is 43144002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2424 + ... + 6779.

It is an arithmetic number, because the mean of its divisors is an integer number (1326143).

Almost surely, 2^20044134 is an apocalyptic number.

20044134 is an abundant number, since it is smaller than the sum of its proper divisors (27697014).

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

20044134 is a wasteful number, since it uses less digits than its factorization.

20044134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9233 (or 9219 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20044134 is about 4477.0675670577. The cubic root of 20044134 is about 271.6412784853.

Adding to 20044134 its reverse (43144002), we get a palindrome (63188136).

The spelling of 20044134 in words is "twenty million, forty-four thousand, one hundred thirty-four".