20104213332 has 36 divisors (see below), whose sum is σ = 54568580640. Its totient is φ = 5744060784.

The previous prime is 20104213321. The next prime is 20104213357. The reversal of 20104213332 is 23331240102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20104213299 and 20104213308.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 17094832 + ... + 17096007.

Almost surely, 2^20104213332 is an apocalyptic number.

It is an amenable number.

20104213332 is an abundant number, since it is smaller than the sum of its proper divisors (34464367308).

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

20104213332 is a wasteful number, since it uses less digits than its factorization.

20104213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34190860 (or 34190851 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20104213332 its reverse (23331240102), we get a palindrome (43435453434).

The spelling of 20104213332 in words is "twenty billion, one hundred four million, two hundred thirteen thousand, three hundred thirty-two".