20002200101 has 4 divisors (see below), whose sum is σ = 21540830892. Its totient is φ = 18463569312.

The previous prime is 20002200077. The next prime is 20002200149. The reversal of 20002200101 is 10100220002.

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 10002000100 + 10000200001 = 100010^2 + 100001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002200101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002200191) 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, 769315376 + ... + 769315401.

It is an arithmetic number, because the mean of its divisors is an integer number (5385207723).

Almost surely, 2^20002200101 is an apocalyptic number.

It is an amenable number.

20002200101 is a deficient number, since it is larger than the sum of its proper divisors (1538630791).

20002200101 is a wasteful number, since it uses less digits than its factorization.

20002200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538630790.

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

Adding to 20002200101 its reverse (10100220002), we get a palindrome (30102420103).

The spelling of 20002200101 in words is "twenty billion, two million, two hundred thousand, one hundred one".