20020221201 has 8 divisors (see below), whose sum is σ = 26968820704. Its totient is φ = 13209217920.

The previous prime is 20020221181. The next prime is 20020221203. The reversal of 20020221201 is 10212202002.

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

It is not a de Polignac number, because 20020221201 - 2¹³ = 20020213009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020221203) 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, 34398715 + ... + 34399296.

It is an arithmetic number, because the mean of its divisors is an integer number (3371102588).

Almost surely, 2^20020221201 is an apocalyptic number.

It is an amenable number.

20020221201 is a deficient number, since it is larger than the sum of its proper divisors (6948599503).

20020221201 is an equidigital number, since it uses as much as digits as its factorization.

20020221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68798111.

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

Adding to 20020221201 its reverse (10212202002), we get a palindrome (30232423203).

The spelling of 20020221201 in words is "twenty billion, twenty million, two hundred twenty-one thousand, two hundred one".