205101936488 has 16 divisors (see below), whose sum is σ = 384654622500. Its totient is φ = 102527370496.

The previous prime is 205101936467. The next prime is 205101936491. The reversal of 205101936488 is 884639101502.

It is a happy number.

205101936488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 147934082884 + 57167853604 = 384622^2 + 239098^2 .

It is a super-2 number, since 2×205101936488² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2912753 + ... + 2982336.

Almost surely, 2^205101936488 is an apocalyptic number.

It is an amenable number.

205101936488 is a deficient number, since it is larger than the sum of its proper divisors (179552686012).

205101936488 is a wasteful number, since it uses less digits than its factorization.

205101936488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5899444 (or 5899440 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 205101936488 in words is "two hundred five billion, one hundred one million, nine hundred thirty-six thousand, four hundred eighty-eight".