20222120201 has 4 divisors (see below), whose sum is σ = 20333844804. Its totient is φ = 20110395600.

The previous prime is 20222120197. The next prime is 20222120203. The reversal of 20222120201 is 10202122202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8331308176 + 11890812025 = 91276^2 + 109045^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222120201 - 2² = 20222120197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222120203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55862030 + ... + 55862391.

It is an arithmetic number, because the mean of its divisors is an integer number (5083461201).

Almost surely, 2^20222120201 is an apocalyptic number.

It is an amenable number.

20222120201 is a deficient number, since it is larger than the sum of its proper divisors (111724603).

20222120201 is a wasteful number, since it uses less digits than its factorization.

20222120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111724602.

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

Adding to 20222120201 its reverse (10202122202), we get a palindrome (30424242403).

The spelling of 20222120201 in words is "twenty billion, two hundred twenty-two million, one hundred twenty thousand, two hundred one".