20200201210221 has 8 divisors (see below), whose sum is σ = 28517931120384. Its totient is φ = 12674636053440.

The previous prime is 20200201210201. The next prime is 20200201210243. The reversal of 20200201210221 is 12201210200202.

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

It is not a de Polignac number, because 20200201210221 - 2²¹ = 20200199113069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20200201210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200201210201) 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, 198041188285 + ... + 198041188386.

It is an arithmetic number, because the mean of its divisors is an integer number (3564741390048).

Almost surely, 2^{20200201210221} is an apocalyptic number.

It is an amenable number.

20200201210221 is a deficient number, since it is larger than the sum of its proper divisors (8317729910163).

20200201210221 is a wasteful number, since it uses less digits than its factorization.

20200201210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396082376691.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20200201210221 its reverse (12201210200202), we get a palindrome (32401411410423).

The spelling of 20200201210221 in words is "twenty trillion, two hundred billion, two hundred one million, two hundred ten thousand, two hundred twenty-one".