204620223001 has 4 divisors (see below), whose sum is σ = 204621142032. Its totient is φ = 204619303972.

The previous prime is 204620222977. The next prime is 204620223047. The reversal of 204620223001 is 100322026402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 204620223001 - 2¹³ = 204620214809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204620223061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108510 + ... + 648856.

It is an arithmetic number, because the mean of its divisors is an integer number (51155285508).

Almost surely, 2^204620223001 is an apocalyptic number.

It is an amenable number.

204620223001 is a deficient number, since it is larger than the sum of its proper divisors (919031).

204620223001 is an equidigital number, since it uses as much as digits as its factorization.

204620223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919030.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 204620223001 its reverse (100322026402), we get a palindrome (304942249403).

The spelling of 204620223001 in words is "two hundred four billion, six hundred twenty million, two hundred twenty-three thousand, one".