20020221211001 has 8 divisors (see below), whose sum is σ = 21840430289664. Its totient is φ = 18200043627120.

The previous prime is 20020221210959. The next prime is 20020221211021. The reversal of 20020221211001 is 10011212202002.

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 20020221211001 - 2³⁴ = 20003041341817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020221211021) 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, 6534665 + ... + 9096278.

It is an arithmetic number, because the mean of its divisors is an integer number (2730053786208).

Almost surely, 2^{20020221211001} is an apocalyptic number.

It is an amenable number.

20020221211001 is a deficient number, since it is larger than the sum of its proper divisors (1820209078663).

20020221211001 is a wasteful number, since it uses less digits than its factorization.

20020221211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15747391.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020221211001 its reverse (10011212202002), we get a palindrome (30031433413003).

The spelling of 20020221211001 in words is "twenty trillion, twenty billion, two hundred twenty-one million, two hundred eleven thousand, one".