201227866385 has 16 divisors (see below), whose sum is σ = 297198080256. Its totient is φ = 127370605248.

The previous prime is 201227866369. The next prime is 201227866421. The reversal of 201227866385 is 583668722102.

It is a cyclic number.

It is not a de Polignac number, because 201227866385 - 2⁴ = 201227866369 is a prime.

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, 221129069 + ... + 221129978.

It is an arithmetic number, because the mean of its divisors is an integer number (18574880016).

Almost surely, 2^201227866385 is an apocalyptic number.

It is an amenable number.

201227866385 is a deficient number, since it is larger than the sum of its proper divisors (95970213871).

201227866385 is a wasteful number, since it uses less digits than its factorization.

201227866385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442259072.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 201227866385 in words is "two hundred one billion, two hundred twenty-seven million, eight hundred sixty-six thousand, three hundred eighty-five".