20002220097 has 16 divisors (see below), whose sum is σ = 27244968192. Its totient is φ = 13047307520.

The previous prime is 20002220081. The next prime is 20002220123. The reversal of 20002220097 is 79002220002.

It is a cyclic number.

It is not a de Polignac number, because 20002220097 - 2⁴ = 20002220081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002220057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516697 + ... + 554057.

It is an arithmetic number, because the mean of its divisors is an integer number (1702810512).

Almost surely, 2^20002220097 is an apocalyptic number.

It is an amenable number.

20002220097 is a deficient number, since it is larger than the sum of its proper divisors (7242748095).

20002220097 is a wasteful number, since it uses less digits than its factorization.

20002220097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41208.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 20002220097 its reverse (79002220002), we get a palindrome (99004440099).

The spelling of 20002220097 in words is "twenty billion, two million, two hundred twenty thousand, ninety-seven".