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220101021120220 = 22542126140263791
BaseRepresentation
bin110010000010111001000011…
…001011011011011011011100
31001212022110012121011012002021
4302002321003023123123130
5212322113342401321340
62100041002504505524
764234526325602002
oct6202710313333334
91055273177135067
10220101021120220
1164149356445199
122082907677b2a4
1395a758b7a57a6
143c4cd3678aa72
151a6a4ecb13e4a
hexc82e432db6dc

220101021120220 has 24 divisors (see below), whose sum is σ = 463310035449408. Its totient is φ = 87831286334400.

The previous prime is 220101021120203. The next prime is 220101021120223. The reversal of 220101021120220 is 22021120101022.

It is a happy number.

220101021120220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220101021120194 and 220101021120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101021120223) 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, 13070123476 + ... + 13070140315.

It is an arithmetic number, because the mean of its divisors is an integer number (19304584810392).

Almost surely, 2220101021120220 is an apocalyptic number.

220101021120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220101021120220 is an abundant number, since it is smaller than the sum of its proper divisors (243209014329188).

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

220101021120220 is a wasteful number, since it uses less digits than its factorization.

220101021120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26140264221 (or 26140264219 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220101021120220 its reverse (22021120101022), we get a palindrome (242122141221242).

The spelling of 220101021120220 in words is "two hundred twenty trillion, one hundred one billion, twenty-one million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 421 842 1684 2105 4210 8420 26140263791 52280527582 104561055164 130701318955 261402637910 522805275820 11005051056011 22010102112022 44020204224044 55025255280055 110050510560110 220101021120220