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220101201122020 = 225671072915309407
BaseRepresentation
bin110010000010111001001101…
…111010000101001011100100
31001212022110200010212020010121
4302002321031322011023210
5212322114224441401040
62100041032414531324
764234533642565411
oct6202711572051344
91055273603766117
10220101201122020
1164149439009209
1220829106b06b44
1395a75b9b7a42a
143c4cd52645108
151a6a50d81cc4a
hexc82e4de852e4

220101201122020 has 48 divisors (see below), whose sum is σ = 469154971031040. Its totient is φ = 86718354395904.

The previous prime is 220101201121987. The next prime is 220101201122053. The reversal of 220101201122020 is 20221102101022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220101201121987) and next prime (220101201122053).

It is a junction number, because it is equal to n+sod(n) for n = 220101201121985 and 220101201122003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6722157 + ... + 22031563.

It is an arithmetic number, because the mean of its divisors is an integer number (9774061896480).

Almost surely, 2220101201122020 is an apocalyptic number.

220101201122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220101201122020 is an abundant number, since it is smaller than the sum of its proper divisors (249053769909020).

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

220101201122020 is a wasteful number, since it uses less digits than its factorization.

220101201122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15320212 (or 15320210 counting only the distinct ones).

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

Adding to 220101201122020 its reverse (20221102101022), we get a palindrome (240322303223042).

The spelling of 220101201122020 in words is "two hundred twenty trillion, one hundred one billion, two hundred one million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 10729 21458 42916 53645 107290 214580 718843 1437686 2875372 3594215 7188430 14376860 15309407 30618814 61237628 76547035 153094070 306188140 1025730269 2051460538 4102921076 5128651345 10257302690 20514605380 164254627703 328509255406 657018510812 821273138515 1642546277030 3285092554060 11005060056101 22010120112202 44020240224404 55025300280505 110050600561010 220101201122020