205050753530 has 32 divisors (see below), whose sum is σ = 430793565696. Its totient is φ = 68807303424.

The previous prime is 205050753511. The next prime is 205050753533. The reversal of 205050753530 is 35357050502.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (205050753533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31159439 + ... + 31166018.

It is an arithmetic number, because the mean of its divisors is an integer number (13462298928).

Almost surely, 2^205050753530 is an apocalyptic number.

205050753530 is an abundant number, since it is smaller than the sum of its proper divisors (225742812166).

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

205050753530 is a wasteful number, since it uses less digits than its factorization.

205050753530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62325518.

The product of its (nonzero) digits is 78750, while the sum is 35.

The spelling of 205050753530 in words is "two hundred five billion, fifty million, seven hundred fifty-three thousand, five hundred thirty".