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220020202202221 = 3119733597276167
BaseRepresentation
bin110010000001101101110001…
…111111101110010001101101
31001212000201121012002202210001
4302001231301333232101231
5212314302333230432341
62055535515134544301
764225635501252241
oct6201556177562155
91055021535082701
10220020202202221
1164118053256983
1220815480668091
13959ca7bac6015
143c4906ad60421
151a6836c7d2d31
hexc81b71fee46d

220020202202221 has 8 divisors (see below), whose sum is σ = 227232740980224. Its totient is φ = 212814857980560.

The previous prime is 220020202202201. The next prime is 220020202202233. The reversal of 220020202202221 is 122202202020022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220020202202221 - 243 = 211224109180013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020202202201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798576921 + ... + 1798699246.

It is an arithmetic number, because the mean of its divisors is an integer number (28404092622528).

Almost surely, 2220020202202221 is an apocalyptic number.

It is an amenable number.

220020202202221 is a deficient number, since it is larger than the sum of its proper divisors (7212538778003).

220020202202221 is a wasteful number, since it uses less digits than its factorization.

220020202202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597278171.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 220020202202221 its reverse (122202202020022), we get a palindrome (342222404222243).

The spelling of 220020202202221 in words is "two hundred twenty trillion, twenty billion, two hundred two million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 31 1973 61163 3597276167 111515561177 7097425877491 220020202202221