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22020220211 = 112251725041
BaseRepresentation
bin10100100000100000…
…011110010100110011
32002211121221002101112
4110200200132110303
5330044134021321
614041013423535
71406452532513
oct244040362463
962747832345
1022020220211
11937a927400
12432663abab
1320cc0b1702
1410cc725843
1588d2c4a5b
hex52081e533

22020220211 has 12 divisors (see below), whose sum is σ = 24300507672. Its totient is φ = 19938600000.

The previous prime is 22020220177. The next prime is 22020220249. The reversal of 22020220211 is 11202202022.

It is a de Polignac number, because none of the positive numbers 2k-22020220211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020220291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332150 + ... + 392891.

It is an arithmetic number, because the mean of its divisors is an integer number (2025042306).

Almost surely, 222020220211 is an apocalyptic number.

22020220211 is a deficient number, since it is larger than the sum of its proper divisors (2280287461).

22020220211 is a wasteful number, since it uses less digits than its factorization.

22020220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725314 (or 725303 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22020220211 its reverse (11202202022), we get a palindrome (33222422233).

The spelling of 22020220211 in words is "twenty-two billion, twenty million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 11 121 251 2761 30371 725041 7975451 87729961 181985291 2001838201 22020220211