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220202020122011 = 281978113522569
BaseRepresentation
bin110010000100010111000111…
…001100000010110110011011
31001212200002220101121002011022
4302010113013030002312123
5212330242214122401021
62100155224515553055
764245033223133114
oct6204270714026633
91055602811532138
10220202020122011
1164188174782104
1220844762bbb78b
1395b3c66262c45
143c53b9837920b
151a6ce5e8d41ab
hexc845c7302d9b

220202020122011 has 4 divisors (see below), whose sum is σ = 220280133647400. Its totient is φ = 220123906596624.

The previous prime is 220202020122001. The next prime is 220202020122031. The reversal of 220202020122011 is 110221020202022.

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 220202020122011 - 230 = 220200946380187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220202020122001) 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, 39056758466 + ... + 39056764103.

It is an arithmetic number, because the mean of its divisors is an integer number (55070033411850).

Almost surely, 2220202020122011 is an apocalyptic number.

220202020122011 is a deficient number, since it is larger than the sum of its proper divisors (78113525389).

220202020122011 is an equidigital number, since it uses as much as digits as its factorization.

220202020122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78113525388.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220202020122011 its reverse (110221020202022), we get a palindrome (330423040324033).

The spelling of 220202020122011 in words is "two hundred twenty trillion, two hundred two billion, twenty million, one hundred twenty-two thousand, eleven".

Divisors: 1 2819 78113522569 220202020122011