20022220001 has 8 divisors (see below), whose sum is σ = 22891328640. Its totient is φ = 17155309248.

The previous prime is 20022219979. The next prime is 20022220003. The reversal of 20022220001 is 10002222002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20022220001 - 2⁶ = 20022219937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529901 + ... + 566426.

It is an arithmetic number, because the mean of its divisors is an integer number (2861416080).

Almost surely, 2^20022220001 is an apocalyptic number.

It is an amenable number.

20022220001 is a deficient number, since it is larger than the sum of its proper divisors (2869108639).

20022220001 is a wasteful number, since it uses less digits than its factorization.

20022220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098943.

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

Adding to 20022220001 its reverse (10002222002), we get a palindrome (30024442003).

The spelling of 20022220001 in words is "twenty billion, twenty-two million, two hundred twenty thousand, one".