20022200001 has 64 divisors (see below), whose sum is σ = 30437890560. Its totient is φ = 13005619200.

The previous prime is 20022199997. The next prime is 20022200021. The reversal of 20022200001 is 10000222002.

It is not a de Polignac number, because 20022200001 - 2² = 20022199997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20022200021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77907265 + ... + 77907521.

It is an arithmetic number, because the mean of its divisors is an integer number (475592040).

Almost surely, 2^20022200001 is an apocalyptic number.

It is an amenable number.

20022200001 is a deficient number, since it is larger than the sum of its proper divisors (10415690559).

20022200001 is a wasteful number, since it uses less digits than its factorization.

20022200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20022200001 its reverse (10000222002), we get a palindrome (30022422003).

The spelling of 20022200001 in words is "twenty billion, twenty-two million, two hundred thousand, one".