200655221364 has 72 divisors (see below), whose sum is σ = 549579404192. Its totient is φ = 61361271360.

The previous prime is 200655221359. The next prime is 200655221381. The reversal of 200655221364 is 463122556002.

200655221364 is a `hidden beast` number, since 2 + 0 + 0 + 65 + 522 + 13 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1238902 + ... + 1391469.

Almost surely, 2^200655221364 is an apocalyptic number.

It is an amenable number.

200655221364 is an abundant number, since it is smaller than the sum of its proper divisors (348924182828).

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

200655221364 is a wasteful number, since it uses less digits than its factorization.

200655221364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630557 (or 2630552 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 200655221364 its reverse (463122556002), we get a palindrome (663777777366).

The spelling of 200655221364 in words is "two hundred billion, six hundred fifty-five million, two hundred twenty-one thousand, three hundred sixty-four".