20022210001 has 4 divisors (see below), whose sum is σ = 20025301104. Its totient is φ = 20019118900.

The previous prime is 20022209993. The next prime is 20022210017. The reversal of 20022210001 is 10001222002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10001222002 = 2 ⋅5000611001.

It is a cyclic number.

It is not a de Polignac number, because 20022210001 - 2³ = 20022209993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022210001.

It is not an unprimeable number, because it can be changed into a prime (20022270001) 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, 1535815 + ... + 1548796.

It is an arithmetic number, because the mean of its divisors is an integer number (5006325276).

Almost surely, 2^20022210001 is an apocalyptic number.

It is an amenable number.

20022210001 is a deficient number, since it is larger than the sum of its proper divisors (3091103).

20022210001 is an equidigital number, since it uses as much as digits as its factorization.

20022210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091102.

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

Adding to 20022210001 its reverse (10001222002), we get a palindrome (30023432003).

The spelling of 20022210001 in words is "twenty billion, twenty-two million, two hundred ten thousand, one".