20020220020201 has 8 divisors (see below), whose sum is σ = 20561370471560. Its totient is φ = 19479072907008.

The previous prime is 20020220020189. The next prime is 20020220020223. The reversal of 20020220020201 is 10202002202002.

It can be written as a sum of positive squares in 4 ways, for example, as 424192992601 + 19596027027600 = 651301^2 + 4426740^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20020220020201 - 2⁹ = 20020220019689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020220020231) 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, 15680065 + ... + 16908721.

It is an arithmetic number, because the mean of its divisors is an integer number (2570171308945).

Almost surely, 2^{20020220020201} is an apocalyptic number.

It is an amenable number.

20020220020201 is a deficient number, since it is larger than the sum of its proper divisors (541150451359).

20020220020201 is a wasteful number, since it uses less digits than its factorization.

20020220020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669083.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020220020201 its reverse (10202002202002), we get a palindrome (30222222222203).

The spelling of 20020220020201 in words is "twenty trillion, twenty billion, two hundred twenty million, twenty thousand, two hundred one".