20021220301001 has 8 divisors (see below), whose sum is σ = 20041118586720. Its totient is φ = 20001330879712.

The previous prime is 20021220300989. The next prime is 20021220301013. The reversal of 20021220301001 is 10010302212002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20021220300989) and next prime (20021220301013).

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 20021220301001 - 2³⁰ = 20020146559177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021220301601) 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, 2307926 + ... + 6735648.

It is an arithmetic number, because the mean of its divisors is an integer number (2505139823340).

Almost surely, 2^{20021220301001} is an apocalyptic number.

It is an amenable number.

20021220301001 is a deficient number, since it is larger than the sum of its proper divisors (19898285719).

20021220301001 is a wasteful number, since it uses less digits than its factorization.

20021220301001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432215.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20021220301001 its reverse (10010302212002), we get a palindrome (30031522513003).

The spelling of 20021220301001 in words is "twenty trillion, twenty-one billion, two hundred twenty million, three hundred one thousand, one".