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20020022220222 = 2327697129202879
BaseRepresentation
bin1001000110101010001100…
…10100000001010110111110
32121212220011202210200022200
410203111012110001112332
510111002001142021342
6110325023215452330
74134253546052523
oct443250624012676
977786152720280
1020020022220222
116419497693482
1222b4020b270a6
13b22b5946b51b
144d2d8d48914a
1524ab77a4094c
hex1235465015be

20020022220222 has 48 divisors (see below), whose sum is σ = 43439428032000. Its totient is φ = 6663695081472.

The previous prime is 20020022220221. The next prime is 20020022220223. The reversal of 20020022220222 is 22202222002002.

20020022220222 is a `hidden beast` number, since 2 + 0 + 0 + 200 + 22 + 220 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (20020022220221) and next prime (20020022220223).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20020022220195 and 20020022220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020022220221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98578179 + ... + 98781057.

It is an arithmetic number, because the mean of its divisors is an integer number (904988084000).

Almost surely, 220020022220222 is an apocalyptic number.

20020022220222 is an abundant number, since it is smaller than the sum of its proper divisors (23419405811778).

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

20020022220222 is a wasteful number, since it uses less digits than its factorization.

20020022220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210785 (or 210782 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20020022220222 its reverse (22202222002002), we get a palindrome (42222244222224).

It can be divided in two parts, 2002002 and 2220222, that multiplied together give a palindrome (4444888884444).

The spelling of 20020022220222 in words is "twenty trillion, twenty billion, twenty-two million, two hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 769 1538 2307 4614 6921 7129 13842 14258 21387 42774 64161 128322 202879 405758 608637 1217274 1825911 3651822 5482201 10964402 16446603 32893206 49339809 98679618 156013951 312027902 468041853 936083706 1404125559 1446324391 2808251118 2892648782 4338973173 8677946346 13016919519 26033839038 1112223456679 2224446913358 3336670370037 6673340740074 10010011110111 20020022220222