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20002200211 = 72857457173
BaseRepresentation
bin10010101000001110…
…010101101010010011
31220121222200001101001
4102220032111222103
5311431030401321
613104444322431
71305446616340
oct225016255223
956558601331
1020002200211
1185347a2084
123a62843417
131b69c98236
14d7a6d97c7
157c1052c91
hex4a8395a93

20002200211 has 4 divisors (see below), whose sum is σ = 22859657392. Its totient is φ = 17144743032.

The previous prime is 20002200203. The next prime is 20002200227. The reversal of 20002200211 is 11200220002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11200220002 = 25600110001.

It is a cyclic number.

It is not a de Polignac number, because 20002200211 - 23 = 20002200203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002200271) 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, 1428728580 + ... + 1428728593.

It is an arithmetic number, because the mean of its divisors is an integer number (5714914348).

Almost surely, 220002200211 is an apocalyptic number.

20002200211 is a deficient number, since it is larger than the sum of its proper divisors (2857457181).

20002200211 is an equidigital number, since it uses as much as digits as its factorization.

20002200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857457180.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20002200211 its reverse (11200220002), we get a palindrome (31202420213).

The spelling of 20002200211 in words is "twenty billion, two million, two hundred thousand, two hundred eleven".

Divisors: 1 7 2857457173 20002200211