204220020023 has 8 divisors (see below), whose sum is σ = 210590035968. Its totient is φ = 197934375384.

The previous prime is 204220019959. The next prime is 204220020031. The reversal of 204220020023 is 320020022402.

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 204220020023 - 2⁶ = 204220019959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204220019983 and 204220020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204220020623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21087911 + ... + 21097592.

It is an arithmetic number, because the mean of its divisors is an integer number (26323754496).

Almost surely, 2^204220020023 is an apocalyptic number.

204220020023 is a deficient number, since it is larger than the sum of its proper divisors (6370015945).

204220020023 is a wasteful number, since it uses less digits than its factorization.

204220020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42185653.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 204220020023 its reverse (320020022402), we get a palindrome (524240042425).

The spelling of 204220020023 in words is "two hundred four billion, two hundred twenty million, twenty thousand, twenty-three".