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22010220020020 = 22531121632918717
BaseRepresentation
bin1010000000100101001110…
…10110001000000100110100
32212221011020002002011110211
411000102213112020010310
510341103412311120040
6114451204441355204
74431120525200461
oct500224726100464
985834202064424
1022010220020020
11701653343a161
12257588a198b04
13c38729cac11b
1456142c184668
1528280a1d28ea
hex1404a7588134

22010220020020 has 48 divisors (see below), whose sum is σ = 47716416050688. Its totient is φ = 8519381758080.

The previous prime is 22010220020011. The next prime is 22010220020029. The reversal of 22010220020020 is 2002002201022.

It is an interprime number because it is at equal distance from previous prime (22010220020011) and next prime (22010220020029).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010220020029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6081702 + ... + 9000418.

It is an arithmetic number, because the mean of its divisors is an integer number (994092001056).

Almost surely, 222010220020020 is an apocalyptic number.

22010220020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010220020020 is an abundant number, since it is smaller than the sum of its proper divisors (25706196030668).

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

22010220020020 is a wasteful number, since it uses less digits than its factorization.

22010220020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930920 (or 2930918 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22010220020020 its reverse (2002002201022), we get a palindrome (24012222221042).

The spelling of 22010220020020 in words is "twenty-two trillion, ten billion, two hundred twenty million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 12163 24326 48652 60815 121630 243260 377053 754106 1508212 1885265 2918717 3770530 5837434 7541060 11674868 14593585 29187170 58374340 90480227 180960454 361920908 452401135 904802270 1809604540 35500354871 71000709742 142001419484 177501774355 355003548710 710007097420 1100511001001 2201022002002 4402044004004 5502555005005 11005110010010 22010220020020