20002202097 has 4 divisors (see below), whose sum is σ = 26669602800. Its totient is φ = 13334801396.

The previous prime is 20002202081. The next prime is 20002202117. The reversal of 20002202097 is 79020220002.

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 20002202097 - 2⁴ = 20002202081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002202197) 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, 3333700347 + ... + 3333700352.

It is an arithmetic number, because the mean of its divisors is an integer number (6667400700).

Almost surely, 2^20002202097 is an apocalyptic number.

It is an amenable number.

20002202097 is a deficient number, since it is larger than the sum of its proper divisors (6667400703).

20002202097 is an equidigital number, since it uses as much as digits as its factorization.

20002202097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667400702.

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

Adding to 20002202097 its reverse (79020220002), we get a palindrome (99022422099).

The spelling of 20002202097 in words is "twenty billion, two million, two hundred two thousand, ninety-seven".