205105460630 has 16 divisors (see below), whose sum is σ = 421931233440. Its totient is φ = 70321872192.

The previous prime is 205105460627. The next prime is 205105460633. The reversal of 205105460630 is 36064501502.

It is an interprime number because it is at equal distance from previous prime (205105460627) and next prime (205105460633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205105460633) 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, 1465038935 + ... + 1465039074.

It is an arithmetic number, because the mean of its divisors is an integer number (26370702090).

Almost surely, 2^205105460630 is an apocalyptic number.

205105460630 is an abundant number, since it is smaller than the sum of its proper divisors (216825772810).

205105460630 is a wasteful number, since it uses less digits than its factorization.

205105460630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930078023.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 205105460630 in words is "two hundred five billion, one hundred five million, four hundred sixty thousand, six hundred thirty".