20075334804 has 72 divisors (see below), whose sum is σ = 58121551488. Its totient is φ = 5723334720.

The previous prime is 20075334803. The next prime is 20075334809. The reversal of 20075334804 is 40843357002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20075334803) 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, 29769 + ... + 202575.

Almost surely, 2^20075334804 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 20075334804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29060775744).

20075334804 is an abundant number, since it is smaller than the sum of its proper divisors (38046216684).

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

20075334804 is a wasteful number, since it uses less digits than its factorization.

20075334804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173285 (or 173280 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 20075334804 in words is "twenty billion, seventy-five million, three hundred thirty-four thousand, eight hundred four".