4233204020421 has 12 divisors (see below), whose sum is σ = 6115992655500. Its totient is φ = 2821506186240.

The previous prime is 4233204020411. The next prime is 4233204020449. The reversal of 4233204020421 is 1240204023324.

4233204020421 is a `hidden beast` number, since 4 + 2 + 33 + 204 + 0 + 2 + 0 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3975393957921 + 257810062500 = 1993839^2 + 507750^2 .

It is not a de Polignac number, because 4233204020421 - 2²² = 4233199826117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4233204020401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52443046 + ... + 52523703.

It is an arithmetic number, because the mean of its divisors is an integer number (509666054625).

Almost surely, 2^{4233204020421} is an apocalyptic number.

It is an amenable number.

4233204020421 is a deficient number, since it is larger than the sum of its proper divisors (1882788635079).

4233204020421 is a wasteful number, since it uses less digits than its factorization.

4233204020421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104971236 (or 104971233 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 4233204020421 its reverse (1240204023324), we get a palindrome (5473408043745).

The spelling of 4233204020421 in words is "four trillion, two hundred thirty-three billion, two hundred four million, twenty thousand, four hundred twenty-one".