200500021601 has 8 divisors (see below), whose sum is σ = 218736664608. Its totient is φ = 182264940000.

The previous prime is 200500021597. The next prime is 200500021639. The reversal of 200500021601 is 106120005002.

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

It is not a de Polignac number, because 200500021601 - 2² = 200500021597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200500021601.

It is not an unprimeable number, because it can be changed into a prime (200500021301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113300 + ... + 643301.

It is an arithmetic number, because the mean of its divisors is an integer number (27342083076).

Almost surely, 2^200500021601 is an apocalyptic number.

It is an amenable number.

200500021601 is a deficient number, since it is larger than the sum of its proper divisors (18236643007).

200500021601 is a wasteful number, since it uses less digits than its factorization.

200500021601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780703.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 200500021601 its reverse (106120005002), we get a palindrome (306620026603).

The spelling of 200500021601 in words is "two hundred billion, five hundred million, twenty-one thousand, six hundred one".