20200130221 has 4 divisors (see below), whose sum is σ = 20201263200. Its totient is φ = 20198997244.

The previous prime is 20200130219. The next prime is 20200130239. The reversal of 20200130221 is 12203100202.

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 a cyclic number.

It is not a de Polignac number, because 20200130221 - 2¹ = 20200130219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200130281) 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, 539311 + ... + 575548.

It is an arithmetic number, because the mean of its divisors is an integer number (5050315800).

Almost surely, 2^20200130221 is an apocalyptic number.

It is an amenable number.

20200130221 is a deficient number, since it is larger than the sum of its proper divisors (1132979).

20200130221 is a wasteful number, since it uses less digits than its factorization.

20200130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132978.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20200130221 its reverse (12203100202), we get a palindrome (32403230423).

The spelling of 20200130221 in words is "twenty billion, two hundred million, one hundred thirty thousand, two hundred twenty-one".