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220213241212420 = 22511010662060621
BaseRepresentation
bin110010000100100001100100…
…000001000110111000000100
31001212201011212102001112102101
4302010201210001012320010
5212330433204222244140
62100204322202521444
764245611255623321
oct6204414401067004
91055634772045371
10220213241212420
1164191a02798445
1220846974b06284
1395b5033c1a401
143c5454075bb48
151a6d3b9a9699a
hexc84864046e04

220213241212420 has 12 divisors (see below), whose sum is σ = 462447806546124. Its totient is φ = 88085296484960.

The previous prime is 220213241212373. The next prime is 220213241212429. The reversal of 220213241212420 is 24212142312022.

It can be written as a sum of positive squares in 2 ways, for example, as 123456587654404 + 96756653558016 = 11111102^2 + 9836496^2 .

It is not an unprimeable number, because it can be changed into a prime (220213241212429) 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, 5505331030291 + ... + 5505331030330.

It is an arithmetic number, because the mean of its divisors is an integer number (38537317212177).

Almost surely, 2220213241212420 is an apocalyptic number.

220213241212420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220213241212420 is an abundant number, since it is smaller than the sum of its proper divisors (242234565333704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220213241212420 is a wasteful number, since it uses less digits than its factorization.

220213241212420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010662060630 (or 11010662060628 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 220213241212420 its reverse (24212142312022), we get a palindrome (244425383524442).

The spelling of 220213241212420 in words is "two hundred twenty trillion, two hundred thirteen billion, two hundred forty-one million, two hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 11010662060621 22021324121242 44042648242484 55053310303105 110106620606210 220213241212420