200021341220413 has 4 divisors (see below), whose sum is σ = 200021370605980. Its totient is φ = 200021311834848.

The previous prime is 200021341220377. The next prime is 200021341220417. The reversal of 200021341220413 is 314022143120002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 140206012903044 + 59815328317369 = 11840862^2 + 7734037^2 .

It is a cyclic number.

It is not a de Polignac number, because 200021341220413 - 2²¹ = 200021339123261 is a prime.

It is a super-2 number, since 2×200021341220413² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021341220417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373353 + ... + 20048161.

It is an arithmetic number, because the mean of its divisors is an integer number (50005342651495).

Almost surely, 2^{200021341220413} is an apocalyptic number.

It is an amenable number.

200021341220413 is a deficient number, since it is larger than the sum of its proper divisors (29385567).

200021341220413 is a wasteful number, since it uses less digits than its factorization.

200021341220413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29385566.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 200021341220413 its reverse (314022143120002), we get a palindrome (514043484340415).

The spelling of 200021341220413 in words is "two hundred trillion, twenty-one billion, three hundred forty-one million, two hundred twenty thousand, four hundred thirteen".