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20244422220 = 22351130673367
BaseRepresentation
bin10010110110101010…
…010101111001001100
31221020212110012111120
4102312222111321030
5312430033002340
613144500120540
71314450515061
oct226652257114
957225405446
1020244422220
1186494a3060
123b0b996150
131ba8216579
14da094cc68
157d744c4d0
hex4b6a95e4c

20244422220 has 48 divisors (see below), whose sum is σ = 61837509888. Its totient is φ = 4907738560.

The previous prime is 20244422207. The next prime is 20244422281. The reversal of 20244422220 is 2222444202.

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, 15336024 + ... + 15337343.

It is an arithmetic number, because the mean of its divisors is an integer number (1288281456).

Almost surely, 220244422220 is an apocalyptic number.

20244422220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20244422220 is an abundant number, since it is smaller than the sum of its proper divisors (41593087668).

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

20244422220 is a wasteful number, since it uses less digits than its factorization.

20244422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30673390 (or 30673388 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20244422220 its reverse (2222444202), we get a palindrome (22466866422).

It can be divided in two parts, 2024 and 4422220, that added together give a palindrome (4424244).

The spelling of 20244422220 in words is "twenty billion, two hundred forty-four million, four hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 30673367 61346734 92020101 122693468 153366835 184040202 306733670 337407037 368080404 460100505 613467340 674814074 920201010 1012221111 1349628148 1687035185 1840402020 2024442222 3374070370 4048884444 5061105555 6748140740 10122211110 20244422220