20104033420 has 12 divisors (see below), whose sum is σ = 42218470224. Its totient is φ = 8041613360.

The previous prime is 20104033409. The next prime is 20104033429. The reversal of 20104033420 is 2433040102.

It is not an unprimeable number, because it can be changed into a prime (20104033429) 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, 502600816 + ... + 502600855.

It is an arithmetic number, because the mean of its divisors is an integer number (3518205852).

Almost surely, 2^20104033420 is an apocalyptic number.

20104033420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20104033420 is an abundant number, since it is smaller than the sum of its proper divisors (22114436804).

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

20104033420 is a wasteful number, since it uses less digits than its factorization.

20104033420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005201680 (or 1005201678 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20104033420 its reverse (2433040102), we get a palindrome (22537073522).

The spelling of 20104033420 in words is "twenty billion, one hundred four million, thirty-three thousand, four hundred twenty".