20104420332 has 12 divisors (see below), whose sum is σ = 46910314136. Its totient is φ = 6701473440.

The previous prime is 20104420331. The next prime is 20104420373. The reversal of 20104420332 is 23302440102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20104420299 and 20104420308.

It is not an unprimeable number, because it can be changed into a prime (20104420331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837684169 + ... + 837684192.

Almost surely, 2^20104420332 is an apocalyptic number.

It is an amenable number.

20104420332 is an abundant number, since it is smaller than the sum of its proper divisors (26805893804).

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

20104420332 is a wasteful number, since it uses less digits than its factorization.

20104420332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675368368 (or 1675368366 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20104420332 its reverse (23302440102), we get a palindrome (43406860434).

The spelling of 20104420332 in words is "twenty billion, one hundred four million, four hundred twenty thousand, three hundred thirty-two".