10205550531330 has 64 divisors (see below), whose sum is σ = 30537127830528. Its totient is φ = 2120633876160.

The previous prime is 10205550531289. The next prime is 10205550531343. The reversal of 10205550531330 is 3313505550201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10205550531291 and 10205550531300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2208991312 + ... + 2208995931.

It is an arithmetic number, because the mean of its divisors is an integer number (477142622352).

Almost surely, 2^{10205550531330} is an apocalyptic number.

10205550531330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10205550531330 is an abundant number, since it is smaller than the sum of its proper divisors (20331577299198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10205550531330 is a wasteful number, since it uses less digits than its factorization.

10205550531330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417987271.

The product of its (nonzero) digits is 33750, while the sum is 33.

The spelling of 10205550531330 in words is "ten trillion, two hundred five billion, five hundred fifty million, five hundred thirty-one thousand, three hundred thirty".