20002211201 has 4 divisors (see below), whose sum is σ = 22859669952. Its totient is φ = 17144752452.

The previous prime is 20002211197. The next prime is 20002211219. The reversal of 20002211201 is 10211220002.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10211220002 = 2 ⋅5105610001.

It is a cyclic number.

It is not a de Polignac number, because 20002211201 - 2² = 20002211197 is a prime.

It is a super-4 number, since 4×20002211201⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (20002210201) 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 3 ways as a sum of consecutive naturals, for example, 1428729365 + ... + 1428729378.

It is an arithmetic number, because the mean of its divisors is an integer number (5714917488).

Almost surely, 2^20002211201 is an apocalyptic number.

It is an amenable number.

20002211201 is a deficient number, since it is larger than the sum of its proper divisors (2857458751).

20002211201 is an equidigital number, since it uses as much as digits as its factorization.

20002211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857458750.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20002211201 its reverse (10211220002), we get a palindrome (30213431203).

The spelling of 20002211201 in words is "twenty billion, two million, two hundred eleven thousand, two hundred one".