20134044 has 72 divisors (see below), whose sum is σ = 58778720. Its totient is φ = 5692032.

The previous prime is 20134043. The next prime is 20134063. The reversal of 20134044 is 44043102.

It is a super-3 number, since 3×20134044³ (a number of 23 digits) contains 333 as substring.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27102 + ... + 27834.

Almost surely, 2^20134044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20134044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29389360).

20134044 is an abundant number, since it is smaller than the sum of its proper divisors (38644676).

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

20134044 is a wasteful number, since it uses less digits than its factorization.

20134044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 854 counting only the distinct ones).

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

The square root of 20134044 is about 4487.0975028408. The cubic root of 20134044 is about 272.0468308927.

Adding to 20134044 its reverse (44043102), we get a palindrome (64177146).

The spelling of 20134044 in words is "twenty million, one hundred thirty-four thousand, forty-four".