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220211020201220 = 22549435922272379
BaseRepresentation
bin110010000100011111011111…
…101000100111110100000100
31001212200222010121211110211022
4302010133133220213310010
5212330414132132414340
62100203313542530312
764245502236424106
oct6204373750476404
91055628117743738
10220211020201220
1164190a730178a4
1220846455136998
1395b4a6ba402b9
143c543ad7b1576
151a6d2d9ac93b5
hexc847dfa27d04

220211020201220 has 24 divisors (see below), whose sum is σ = 462444098625600. Its totient is φ = 88084225946592.

The previous prime is 220211020201187. The next prime is 220211020201231. The reversal of 220211020201220 is 22102020112022.

It is a happy number.

220211020201220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249010 + ... + 21023369.

It is an arithmetic number, because the mean of its divisors is an integer number (19268504109400).

Almost surely, 2220211020201220 is an apocalyptic number.

220211020201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211020201220 is an abundant number, since it is smaller than the sum of its proper divisors (242233078424380).

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

220211020201220 is a wasteful number, since it uses less digits than its factorization.

220211020201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22766747 (or 22766745 counting only the distinct ones).

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

Adding to 220211020201220 its reverse (22102020112022), we get a palindrome (242313040313242).

The spelling of 220211020201220 in words is "two hundred twenty trillion, two hundred eleven billion, twenty million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 494359 988718 1977436 2471795 4943590 9887180 22272379 44544758 89089516 111361895 222723790 445447580 11010551010061 22021102020122 44042204040244 55052755050305 110105510100610 220211020201220