20212220201 has 8 divisors (see below), whose sum is σ = 20302272000. Its totient is φ = 20122214560.

The previous prime is 20212220183. The next prime is 20212220267. The reversal of 20212220201 is 10202221202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212220201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212210201) 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, 1102016 + ... + 1120206.

It is an arithmetic number, because the mean of its divisors is an integer number (2537784000).

Almost surely, 2^20212220201 is an apocalyptic number.

It is an amenable number.

20212220201 is a deficient number, since it is larger than the sum of its proper divisors (90051799).

20212220201 is a wasteful number, since it uses less digits than its factorization.

20212220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23079.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20212220201 its reverse (10202221202), we get a palindrome (30414441403).

It can be divided in two parts, 2021 and 2220201, that added together give a palindrome (2222222).

The spelling of 20212220201 in words is "twenty billion, two hundred twelve million, two hundred twenty thousand, two hundred one".