20021202201 has 96 divisors (see below), whose sum is σ = 37091993344. Its totient is φ = 9340531200.

The previous prime is 20021202167. The next prime is 20021202203. The reversal of 20021202201 is 10220212002.

It is not a de Polignac number, because 20021202201 - 2¹⁰ = 20021201177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20021202203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1214031 + ... + 1230411.

Almost surely, 2^20021202201 is an apocalyptic number.

20021202201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20021202201 is a deficient number, since it is larger than the sum of its proper divisors (17070791143).

20021202201 is a wasteful number, since it uses less digits than its factorization.

20021202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16463 (or 16452 counting only the distinct ones).

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

Adding to 20021202201 its reverse (10220212002), we get a palindrome (30241414203).

It can be divided in two parts, 20021 and 202201, that added together give a palindrome (222222).

The spelling of 20021202201 in words is "twenty billion, twenty-one million, two hundred two thousand, two hundred one".