20022200020001 has 4 divisors (see below), whose sum is σ = 20022209309952. Its totient is φ = 20022190730052.

The previous prime is 20022200019989. The next prime is 20022200020021. The reversal of 20022200020001 is 10002000222002.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022200020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022200020021) 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, 452840 + ... + 6344246.

It is an arithmetic number, because the mean of its divisors is an integer number (5005552327488).

Almost surely, 2^{20022200020001} is an apocalyptic number.

It is an amenable number.

20022200020001 is a deficient number, since it is larger than the sum of its proper divisors (9289951).

20022200020001 is an equidigital number, since it uses as much as digits as its factorization.

20022200020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9289950.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20022200020001 its reverse (10002000222002), we get a palindrome (30024200242003).

The spelling of 20022200020001 in words is "twenty trillion, twenty-two billion, two hundred million, twenty thousand, one".