200655620121 has 16 divisors (see below), whose sum is σ = 294090686208. Its totient is φ = 120681147600.

The previous prime is 200655620069. The next prime is 200655620159. The reversal of 200655620121 is 121026556002.

It is not a de Polignac number, because 200655620121 - 2⁶ = 200655620057 is a prime.

It is a super-2 number, since 2×200655620121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200655620021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23203591 + ... + 23212236.

It is an arithmetic number, because the mean of its divisors is an integer number (18380667888).

Almost surely, 2^200655620121 is an apocalyptic number.

It is an amenable number.

200655620121 is a deficient number, since it is larger than the sum of its proper divisors (93435066087).

200655620121 is a wasteful number, since it uses less digits than its factorization.

200655620121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46415972.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 200655620121 in words is "two hundred billion, six hundred fifty-five million, six hundred twenty thousand, one hundred twenty-one".