20022001201 has 4 divisors (see below), whose sum is σ = 20024738932. Its totient is φ = 20019263472.

The previous prime is 20022001199. The next prime is 20022001229. The reversal of 20022001201 is 10210022002.

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 1825340176 + 18196661025 = 42724^2 + 134895^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022001201 - 2¹ = 20022001199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022001301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357866 + ... + 1372531.

It is an arithmetic number, because the mean of its divisors is an integer number (5006184733).

Almost surely, 2^20022001201 is an apocalyptic number.

It is an amenable number.

20022001201 is a deficient number, since it is larger than the sum of its proper divisors (2737731).

20022001201 is an equidigital number, since it uses as much as digits as its factorization.

20022001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737730.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20022001201 its reverse (10210022002), we get a palindrome (30232023203).

The spelling of 20022001201 in words is "twenty billion, twenty-two million, one thousand, two hundred one".