22020020022001 has 4 divisors (see below), whose sum is σ = 22393240700400. Its totient is φ = 21646799343604.

The previous prime is 22020020021977. The next prime is 22020020022071. The reversal of 22020020022001 is 10022002002022.

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.

It is a cyclic number.

It is not a de Polignac number, because 22020020022001 - 2¹⁷ = 22020019890929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020020022071) 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, 186610339111 + ... + 186610339228.

It is an arithmetic number, because the mean of its divisors is an integer number (5598310175100).

Almost surely, 2^{22020020022001} is an apocalyptic number.

It is an amenable number.

22020020022001 is a deficient number, since it is larger than the sum of its proper divisors (373220678399).

22020020022001 is an equidigital number, since it uses as much as digits as its factorization.

22020020022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373220678398.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22020020022001 its reverse (10022002002022), we get a palindrome (32042022024023).

The spelling of 22020020022001 in words is "twenty-two trillion, twenty billion, twenty million, twenty-two thousand, one".