205250441152042 has 16 divisors (see below), whose sum is σ = 361700078114592. Its totient is φ = 86119066217520.

The previous prime is 205250441152039. The next prime is 205250441152049. The reversal of 205250441152042 is 240251144052502.

It is a super-2 number, since 2×205250441152042² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 205250441151992 and 205250441152010.

It is not an unprimeable number, because it can be changed into a prime (205250441152049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358829442288 + ... + 358829442859.

It is an arithmetic number, because the mean of its divisors is an integer number (22606254882162).

Almost surely, 2^{205250441152042} is an apocalyptic number.

205250441152042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

205250441152042 is a deficient number, since it is larger than the sum of its proper divisors (156449636962550).

205250441152042 is a wasteful number, since it uses less digits than its factorization.

205250441152042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717658885173.

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 205250441152042 in words is "two hundred five trillion, two hundred fifty billion, four hundred forty-one million, one hundred fifty-two thousand, forty-two".