20434041204 has 48 divisors (see below), whose sum is σ = 47934136320. Its totient is φ = 6775060320.

The previous prime is 20434041203. The next prime is 20434041217. The reversal of 20434041204 is 40214043402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434041203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736019 + ... + 1747749.

It is an arithmetic number, because the mean of its divisors is an integer number (998627840).

Almost surely, 2^20434041204 is an apocalyptic number.

It is an amenable number.

20434041204 is an abundant number, since it is smaller than the sum of its proper divisors (27500095116).

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

20434041204 is a wasteful number, since it uses less digits than its factorization.

20434041204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500 (or 12498 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20434041204 its reverse (40214043402), we get a palindrome (60648084606).

The spelling of 20434041204 in words is "twenty billion, four hundred thirty-four million, forty-one thousand, two hundred four".