20412044334 has 64 divisors (see below), whose sum is σ = 49541057280. Its totient is φ = 6178304160.

The previous prime is 20412044311. The next prime is 20412044339. The reversal of 20412044334 is 43344021402.

It is a happy number.

20412044334 is a `hidden beast` number, since 20 + 4 + 1 + 204 + 433 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20412044298 and 20412044307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412044339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505044 + ... + 543960.

It is an arithmetic number, because the mean of its divisors is an integer number (774079020).

Almost surely, 2^20412044334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20412044334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24770528640).

20412044334 is an abundant number, since it is smaller than the sum of its proper divisors (29129012946).

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

20412044334 is a wasteful number, since it uses less digits than its factorization.

20412044334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39822 (or 39816 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20412044334 its reverse (43344021402), we get a palindrome (63756065736).

The spelling of 20412044334 in words is "twenty billion, four hundred twelve million, forty-four thousand, three hundred thirty-four".