200020526221 has 4 divisors (see below), whose sum is σ = 200021760000. Its totient is φ = 200019292444.

The previous prime is 200020526203. The next prime is 200020526239. The reversal of 200020526221 is 122625020002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (200020526203) and next prime (200020526239).

It is a cyclic number.

It is not a de Polignac number, because 200020526221 - 2¹⁹ = 200020001933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200020526192 and 200020526201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020526201) 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, 328891 + ... + 712888.

It is an arithmetic number, because the mean of its divisors is an integer number (50005440000).

Almost surely, 2^200020526221 is an apocalyptic number.

It is an amenable number.

200020526221 is a deficient number, since it is larger than the sum of its proper divisors (1233779).

200020526221 is a wasteful number, since it uses less digits than its factorization.

200020526221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233778.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 200020526221 its reverse (122625020002), we get a palindrome (322645546223).

The spelling of 200020526221 in words is "two hundred billion, twenty million, five hundred twenty-six thousand, two hundred twenty-one".