20200301221 has 32 divisors (see below), whose sum is σ = 22417274880. Its totient is φ = 18121479936.

The previous prime is 20200301203. The next prime is 20200301243. The reversal of 20200301221 is 12210300202.

It is not a de Polignac number, because 20200301221 - 2⁹ = 20200300709 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 (20200301201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16044090 + ... + 16045348.

It is an arithmetic number, because the mean of its divisors is an integer number (700539840).

Almost surely, 2^20200301221 is an apocalyptic number.

It is an amenable number.

20200301221 is a deficient number, since it is larger than the sum of its proper divisors (2216973659).

20200301221 is a wasteful number, since it uses less digits than its factorization.

20200301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833.

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

Adding to 20200301221 its reverse (12210300202), we get a palindrome (32410601423).

The spelling of 20200301221 in words is "twenty billion, two hundred million, three hundred one thousand, two hundred twenty-one".