22000020000001 has 4 divisors (see below), whose sum is σ = 22078311886404. Its totient is φ = 21921728113600.

The previous prime is 22000019999929. The next prime is 22000020000011. The reversal of 22000020000001 is 10000002000022.

It is a happy number.

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 10711226385601 + 11288793614400 = 3272801^2 + 3359880^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000020000001 - 2¹⁷ = 22000019868929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000020000011) 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, 39145942780 + ... + 39145943341.

It is an arithmetic number, because the mean of its divisors is an integer number (5519577971601).

Almost surely, 2^{22000020000001} is an apocalyptic number.

It is an amenable number.

22000020000001 is a deficient number, since it is larger than the sum of its proper divisors (78291886403).

22000020000001 is an equidigital number, since it uses as much as digits as its factorization.

22000020000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78291886402.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 22000020000001 its reverse (10000002000022), we get a palindrome (32000022000023).

The spelling of 22000020000001 in words is "twenty-two trillion, twenty million, one", and thus it is an aban number and an uban number.