200020145555 has 8 divisors (see below), whose sum is σ = 254143243872. Its totient is φ = 150603403648.

The previous prime is 200020145551. The next prime is 200020145573. The reversal of 200020145555 is 555541020002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200020145555 - 2² = 200020145551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200020145551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176589007 + ... + 1176589176.

It is an arithmetic number, because the mean of its divisors is an integer number (31767905484).

Almost surely, 2^200020145555 is an apocalyptic number.

200020145555 is a deficient number, since it is larger than the sum of its proper divisors (54123098317).

200020145555 is a wasteful number, since it uses less digits than its factorization.

200020145555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353178205.

The product of its (nonzero) digits is 10000, while the sum is 29.

Adding to 200020145555 its reverse (555541020002), we get a palindrome (755561165557).

The spelling of 200020145555 in words is "two hundred billion, twenty million, one hundred forty-five thousand, five hundred fifty-five".