13200300020021 has 16 divisors (see below), whose sum is σ = 13816364500224. Its totient is φ = 12587753950464.

The previous prime is 13200300020009. The next prime is 13200300020057. The reversal of 13200300020021 is 12002000300231.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13200300020021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13200300019978 and 13200300020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200300026021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91490480 + ... + 91634646.

It is an arithmetic number, because the mean of its divisors is an integer number (863522781264).

Almost surely, 2^{13200300020021} is an apocalyptic number.

It is an amenable number.

13200300020021 is a deficient number, since it is larger than the sum of its proper divisors (616064480203).

13200300020021 is a wasteful number, since it uses less digits than its factorization.

13200300020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156340.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13200300020021 its reverse (12002000300231), we get a palindrome (25202300320252).

The spelling of 13200300020021 in words is "thirteen trillion, two hundred billion, three hundred million, twenty thousand, twenty-one".