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220112200121202 = 23219643602924331
BaseRepresentation
bin110010000011000011011101…
…011111111011101101110010
31001212100112001200102021111200
4302003003131133323231302
5212322304241212334302
62100050052045352030
764235403340542414
oct6203033537735562
91055315050367450
10220112200121202
1164153072723084
122082b276568616
1395a865081437c
143c4d6b73349b4
151a6a95426081c
hexc830dd7fbb72

220112200121202 has 24 divisors (see below), whose sum is σ = 502010280978960. Its totient is φ = 69509115827640.

The previous prime is 220112200121201. The next prime is 220112200121237. The reversal of 220112200121202 is 202121002211022.

It is a happy number.

220112200121202 is a `hidden beast` number, since 220 + 1 + 1 + 220 + 0 + 1 + 21 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (220112200121201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321801461824 + ... + 321801462507.

It is an arithmetic number, because the mean of its divisors is an integer number (20917095040790).

Almost surely, 2220112200121202 is an apocalyptic number.

220112200121202 is an abundant number, since it is smaller than the sum of its proper divisors (281898080857758).

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

220112200121202 is a wasteful number, since it uses less digits than its factorization.

220112200121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643602924358 (or 643602924355 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220112200121202 its reverse (202121002211022), we get a palindrome (422233202332224).

The spelling of 220112200121202 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred million, one hundred twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 643602924331 1287205848662 1930808772993 3861617545986 5792426318979 11584852637958 12228455562289 24456911124578 36685366686867 73370733373734 110056100060601 220112200121202