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22020210011 = 27779495343
BaseRepresentation
bin10100100000100000…
…011011110101011011
32002211121220120101202
4110200200123311123
5330044133210021
614041013304415
71406452461002
oct244040336533
962747816352
1022020210011
11937a91a778
12432663510b
1320cc0a9b87
1410cc721c39
1588d2c1a0b
hex52081bd5b

22020210011 has 4 divisors (see below), whose sum is σ = 22099705632. Its totient is φ = 21940714392.

The previous prime is 22020209993. The next prime is 22020210053. The reversal of 22020210011 is 11001202022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22020210011 - 26 = 22020209947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020209974 and 22020210001.

It is not an unprimeable number, because it can be changed into a prime (22020210071) 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, 39747395 + ... + 39747948.

It is an arithmetic number, because the mean of its divisors is an integer number (5524926408).

Almost surely, 222020210011 is an apocalyptic number.

22020210011 is a deficient number, since it is larger than the sum of its proper divisors (79495621).

22020210011 is an equidigital number, since it uses as much as digits as its factorization.

22020210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79495620.

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

Adding to 22020210011 its reverse (11001202022), we get a palindrome (33021412033).

The spelling of 22020210011 in words is "twenty-two billion, twenty million, two hundred ten thousand, eleven".

Divisors: 1 277 79495343 22020210011