204624304215061 has 4 divisors (see below), whose sum is σ = 204624537870124. Its totient is φ = 204624070560000.

The previous prime is 204624304214989. The next prime is 204624304215073. The reversal of 204624304215061 is 160512403426402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 149481947090961 + 55142357124100 = 12226281^2 + 7425790^2 .

It is a cyclic number.

It is not a de Polignac number, because 204624304215061 - 2¹⁹ = 204624303690773 is a prime.

It is a super-2 number, since 2×204624304215061² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204624304215161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115508940 + ... + 117267061.

It is an arithmetic number, because the mean of its divisors is an integer number (51156134467531).

Almost surely, 2^{204624304215061} is an apocalyptic number.

It is an amenable number.

204624304215061 is a deficient number, since it is larger than the sum of its proper divisors (233655063).

204624304215061 is an equidigital number, since it uses as much as digits as its factorization.

204624304215061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233655062.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 204624304215061 in words is "two hundred four trillion, six hundred twenty-four billion, three hundred four million, two hundred fifteen thousand, sixty-one".