20202021201 has 16 divisors (see below), whose sum is σ = 28132920000. Its totient is φ = 12881907648.

The previous prime is 20202021199. The next prime is 20202021269. The reversal of 20202021201 is 10212020202.

It is not a de Polignac number, because 20202021201 - 2¹ = 20202021199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202021401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1535826 + ... + 1548923.

It is an arithmetic number, because the mean of its divisors is an integer number (1758307500).

Almost surely, 2^20202021201 is an apocalyptic number.

It is an amenable number.

20202021201 is a deficient number, since it is larger than the sum of its proper divisors (7930898799).

20202021201 is a wasteful number, since it uses less digits than its factorization.

20202021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084848.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202021201 its reverse (10212020202), we get a palindrome (30414041403).

Subtracting from 20202021201 its reverse (10212020202), we obtain a palindrome (9990000999).

The spelling of 20202021201 in words is "twenty billion, two hundred two million, twenty-one thousand, two hundred one".