21200200193 has 8 divisors (see below), whose sum is σ = 21562078560. Its totient is φ = 20838407040.

The previous prime is 21200200169. The next prime is 21200200201. The reversal of 21200200193 is 39100200212.

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

It is a cyclic number.

It is not a de Polignac number, because 21200200193 - 2¹² = 21200196097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21200200093) 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, 669938 + ... + 700868.

It is an arithmetic number, because the mean of its divisors is an integer number (2695259820).

Almost surely, 2^21200200193 is an apocalyptic number.

It is an amenable number.

21200200193 is a deficient number, since it is larger than the sum of its proper divisors (361878367).

21200200193 is a wasteful number, since it uses less digits than its factorization.

21200200193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42607.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 21200200193 in words is "twenty-one billion, two hundred million, two hundred thousand, one hundred ninety-three".