20012020221201 has 8 divisors (see below), whose sum is σ = 26694589621920. Its totient is φ = 13335398817312.

The previous prime is 20012020221187. The next prime is 20012020221217. The reversal of 20012020221201 is 10212202021002.

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

It is not a de Polignac number, because 20012020221201 - 2¹⁰ = 20012020220177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012020221101) 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, 1486991356 + ... + 1487004813.

It is an arithmetic number, because the mean of its divisors is an integer number (3336823702740).

Almost surely, 2^{20012020221201} is an apocalyptic number.

It is an amenable number.

20012020221201 is a deficient number, since it is larger than the sum of its proper divisors (6682569400719).

20012020221201 is a wasteful number, since it uses less digits than its factorization.

20012020221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973998415.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20012020221201 its reverse (10212202021002), we get a palindrome (30224222242203).

The spelling of 20012020221201 in words is "twenty trillion, twelve billion, twenty million, two hundred twenty-one thousand, two hundred one".