206261214550 has 24 divisors (see below), whose sum is σ = 388502143200. Its totient is φ = 81460123680.

The previous prime is 206261214529. The next prime is 206261214569. The reversal of 206261214550 is 55412162602.

It is a super-2 number, since 2×206261214550² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26105065 + ... + 26112964.

It is an arithmetic number, because the mean of its divisors is an integer number (16187589300).

Almost surely, 2^206261214550 is an apocalyptic number.

206261214550 is a deficient number, since it is larger than the sum of its proper divisors (182240928650).

206261214550 is a wasteful number, since it uses less digits than its factorization.

206261214550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52218120 (or 52218115 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 206261214550 in words is "two hundred six billion, two hundred sixty-one million, two hundred fourteen thousand, five hundred fifty".