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220022011009 = 255649860641
BaseRepresentation
bin1100110011101001010…
…1010111010010000001
3210000220201020020011201
43030322111113102001
512101101113323014
6245024323141201
721616231143643
oct3147225272201
9700821206151
10220022011009
1185346764439
1236784b14801
1317995432678
14a913296893
155acb0dbe74
hex333a557481

220022011009 has 4 divisors (see below), whose sum is σ = 220023127300. Its totient is φ = 220020894720.

The previous prime is 220022010991. The next prime is 220022011019. The reversal of 220022011009 is 900110220022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 94331908225 + 125690102784 = 307135^2 + 354528^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022011009 - 225 = 219988456577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220022011019) 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, 174672 + ... + 685969.

It is an arithmetic number, because the mean of its divisors is an integer number (55005781825).

Almost surely, 2220022011009 is an apocalyptic number.

It is an amenable number.

220022011009 is a deficient number, since it is larger than the sum of its proper divisors (1116291).

220022011009 is an equidigital number, since it uses as much as digits as its factorization.

220022011009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116290.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 220022011009 in words is "two hundred twenty billion, twenty-two million, eleven thousand, nine".

Divisors: 1 255649 860641 220022011009