204722427733 has 8 divisors (see below), whose sum is σ = 219200486040. Its totient is φ = 190514987520.

The previous prime is 204722427727. The next prime is 204722427779. The reversal of 204722427733 is 337724227402.

It can be written as a sum of positive squares in 4 ways, for example, as 13734199249 + 190988228484 = 117193^2 + 437022^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204722427733 is a prime.

It is a super-2 number, since 2×204722427733² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204722427733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204722427703) 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, 67652958 + ... + 67655983.

It is an arithmetic number, because the mean of its divisors is an integer number (27400060755).

Almost surely, 2^204722427733 is an apocalyptic number.

It is an amenable number.

204722427733 is a deficient number, since it is larger than the sum of its proper divisors (14478058307).

204722427733 is a wasteful number, since it uses less digits than its factorization.

204722427733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135309047.

The product of its (nonzero) digits is 790272, while the sum is 43.

The spelling of 204722427733 in words is "two hundred four billion, seven hundred twenty-two million, four hundred twenty-seven thousand, seven hundred thirty-three".