206227552220 has 48 divisors (see below), whose sum is σ = 444584343168. Its totient is φ = 80317501440.

The previous prime is 206227552081. The next prime is 206227552283. The reversal of 206227552220 is 22255722602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386951 + ... + 749790.

It is an arithmetic number, because the mean of its divisors is an integer number (9262173816).

Almost surely, 2^206227552220 is an apocalyptic number.

206227552220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206227552220 is an abundant number, since it is smaller than the sum of its proper divisors (238356790948).

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

206227552220 is a wasteful number, since it uses less digits than its factorization.

206227552220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136990 (or 1136988 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 206227552220 in words is "two hundred six billion, two hundred twenty-seven million, five hundred fifty-two thousand, two hundred twenty".