204014232020421 has 8 divisors (see below), whose sum is σ = 302243306696960. Its totient is φ = 136009488013596.

The previous prime is 204014232020399. The next prime is 204014232020491. The reversal of 204014232020421 is 124020232410402.

It is a happy number.

204014232020421 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 1 + 4 + 232 + 0 + 2 + 0 + 421 = 666.

It is not a de Polignac number, because 204014232020421 - 2⁹ = 204014232019909 is a prime.

It is a super-2 number, since 2×204014232020421² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7556082667423 = 204014232020421 / (2 + 0 + 4 + 0 + 1 + 4 + 2 + 3 + 2 + 0 + 2 + 0 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204014232020491) 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, 3778041333685 + ... + 3778041333738.

It is an arithmetic number, because the mean of its divisors is an integer number (37780413337120).

Almost surely, 2^{204014232020421} is an apocalyptic number.

It is an amenable number.

204014232020421 is a deficient number, since it is larger than the sum of its proper divisors (98229074676539).

204014232020421 is an equidigital number, since it uses as much as digits as its factorization.

204014232020421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7556082667432 (or 7556082667426 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 204014232020421 its reverse (124020232410402), we get a palindrome (328034464430823).

The spelling of 204014232020421 in words is "two hundred four trillion, fourteen billion, two hundred thirty-two million, twenty thousand, four hundred twenty-one".