206450305430 has 64 divisors (see below), whose sum is σ = 386212147200. Its totient is φ = 79409616000.

The previous prime is 206450305409. The next prime is 206450305471. The reversal of 206450305430 is 34503054602.

It is a super-2 number, since 2×206450305430² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6201971 + ... + 6235169.

It is an arithmetic number, because the mean of its divisors is an integer number (6034564800).

Almost surely, 2^206450305430 is an apocalyptic number.

206450305430 is a deficient number, since it is larger than the sum of its proper divisors (179761841770).

206450305430 is a wasteful number, since it uses less digits than its factorization.

206450305430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33485.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 206450305430 in words is "two hundred six billion, four hundred fifty million, three hundred five thousand, four hundred thirty".