20034612 has 108 divisors (see below), whose sum is σ = 56953260. Its totient is φ = 5930496.

The previous prime is 20034601. The next prime is 20034617. The reversal of 20034612 is 21643002.

It is a happy number.

20034612 is a `hidden beast` number, since 20 + 0 + 34 + 612 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2090916 + 17943696 = 1446^2 + 4236^2 .

It is a super-4 number, since 4×20034612⁴ (a number of 30 digits) contains 4444 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 225064 + ... + 225152.

It is an arithmetic number, because the mean of its divisors is an integer number (527345).

Almost surely, 2^20034612 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 20034612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28476630).

20034612 is an abundant number, since it is smaller than the sum of its proper divisors (36918648).

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

20034612 is a wasteful number, since it uses less digits than its factorization.

20034612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20034612 is about 4476.0040214459. The cubic root of 20034612 is about 271.5982571214.

Adding to 20034612 its reverse (21643002), we get a palindrome (41677614).

The spelling of 20034612 in words is "twenty million, thirty-four thousand, six hundred twelve".