205470882030081 has 8 divisors (see below), whose sum is σ = 273967624327744. Its totient is φ = 136977363876240.

The previous prime is 205470882030077. The next prime is 205470882030097. The reversal of 205470882030081 is 180030288074502.

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

It is not a de Polignac number, because 205470882030081 - 2² = 205470882030077 is a prime.

It is a super-2 number, since 2×205470882030081² (a number of 29 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 205470882030081.

It is not an unprimeable number, because it can be changed into a prime (205470882030481) 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, 805887250 + ... + 806142171.

It is an arithmetic number, because the mean of its divisors is an integer number (34245953040968).

Almost surely, 2^{205470882030081} is an apocalyptic number.

It is an amenable number.

205470882030081 is a deficient number, since it is larger than the sum of its proper divisors (68496742297663).

205470882030081 is a wasteful number, since it uses less digits than its factorization.

205470882030081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612071911.

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 205470882030081 in words is "two hundred five trillion, four hundred seventy billion, eight hundred eighty-two million, thirty thousand, eighty-one".