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20022110220 = 2235747671691
BaseRepresentation
bin10010101001011010…
…010010100000001100
31220200101010120202210
4102221122102200030
5312001130011340
613110435150420
71306111062120
oct225132224014
956611116683
1020022110220
118544a60832
123a69445410
131b711496c8
14d7d1dd580
157c2b87180
hex4a969280c

20022110220 has 48 divisors (see below), whose sum is σ = 64070754048. Its totient is φ = 4576482240.

The previous prime is 20022110201. The next prime is 20022110237. The reversal of 20022110220 is 2201122002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20022110196 and 20022110205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23835426 + ... + 23836265.

It is an arithmetic number, because the mean of its divisors is an integer number (1334807376).

Almost surely, 220022110220 is an apocalyptic number.

20022110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022110220 is an abundant number, since it is smaller than the sum of its proper divisors (44048643828).

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

20022110220 is a wasteful number, since it uses less digits than its factorization.

20022110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47671710 (or 47671708 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20022110220 its reverse (2201122002), we get a palindrome (22223232222).

The spelling of 20022110220 in words is "twenty billion, twenty-two million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 47671691 95343382 143015073 190686764 238358455 286030146 333701837 476716910 572060292 667403674 715075365 953433820 1001105511 1334807348 1430150730 1668509185 2002211022 2860301460 3337018370 4004422044 5005527555 6674036740 10011055110 20022110220