204214201023 has 16 divisors (see below), whose sum is σ = 311500141056. Its totient is φ = 116575105440.

The previous prime is 204214201021. The next prime is 204214201031. The reversal of 204214201023 is 320102412402.

It is not a de Polignac number, because 204214201023 - 2¹ = 204214201021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204214201021) 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 15 ways as a sum of consecutive naturals, for example, 4925688 + ... + 4966973.

It is an arithmetic number, because the mean of its divisors is an integer number (19468758816).

Almost surely, 2^204214201023 is an apocalyptic number.

204214201023 is a deficient number, since it is larger than the sum of its proper divisors (107285940033).

204214201023 is an equidigital number, since it uses as much as digits as its factorization.

204214201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9893654.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 204214201023 its reverse (320102412402), we get a palindrome (524316613425).

The spelling of 204214201023 in words is "two hundred four billion, two hundred fourteen million, two hundred one thousand, twenty-three".