205034445030 has 16 divisors (see below), whose sum is σ = 492082668144. Its totient is φ = 54675852000.

The previous prime is 205034445017. The next prime is 205034445037. The reversal of 205034445030 is 30544430502.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 6834481501 = 205034445030 / (2 + 0 + 5 + 0 + 3 + 4 + 4 + 4 + 5 + 0 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205034445037) 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, 3417240721 + ... + 3417240780.

It is an arithmetic number, because the mean of its divisors is an integer number (30755166759).

Almost surely, 2^205034445030 is an apocalyptic number.

205034445030 is an abundant number, since it is smaller than the sum of its proper divisors (287048223114).

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

205034445030 is a wasteful number, since it uses less digits than its factorization.

205034445030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834481511.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 205034445030 its reverse (30544430502), we get a palindrome (235578875532).

The spelling of 205034445030 in words is "two hundred five billion, thirty-four million, four hundred forty-five thousand, thirty".