3204100021 has 8 divisors (see below), whose sum is σ = 3283870464. Its totient is φ = 3124406880.

The previous prime is 3204099991. The next prime is 3204100033. The reversal of 3204100021 is 1200014023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3204100021 - 2¹⁵ = 3204067253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3204099974 and 3204100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3204100421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69630 + ... + 106096.

It is an arithmetic number, because the mean of its divisors is an integer number (410483808).

Almost surely, 2^3204100021 is an apocalyptic number.

It is an amenable number.

3204100021 is a deficient number, since it is larger than the sum of its proper divisors (79770443).

3204100021 is a wasteful number, since it uses less digits than its factorization.

3204100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38651.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3204100021 is about 56604.7703025107. The cubic root of 3204100021 is about 1474.2416894619.

Adding to 3204100021 its reverse (1200014023), we get a palindrome (4404114044).

The spelling of 3204100021 in words is "three billion, two hundred four million, one hundred thousand, twenty-one".