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20002122212200 = 2352139719500799
BaseRepresentation
bin1001000110001000110110…
…11000111010001101101000
32121211011222021210001111121
410203010123120322031220
510110203321241242300
6110312503104305024
74133051143360312
oct443043330721550
977734867701447
1020002122212200
116411941597517
1222b0666312174
13b21265b7abbb
144d217204a7b2
1524a47b33981a
hex12311b63a368

20002122212200 has 48 divisors (see below), whose sum is σ = 46839502080000. Its totient is φ = 7943288809920.

The previous prime is 20002122212197. The next prime is 20002122212209. The reversal of 20002122212200 is 221222120002.

It is not an unprimeable number, because it can be changed into a prime (20002122212209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359722600 + ... + 359778199.

It is an arithmetic number, because the mean of its divisors is an integer number (975822960000).

Almost surely, 220002122212200 is an apocalyptic number.

20002122212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002122212200 is an abundant number, since it is smaller than the sum of its proper divisors (26837379867800).

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

20002122212200 is a wasteful number, since it uses less digits than its factorization.

20002122212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719500954 (or 719500945 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20002122212200 its reverse (221222120002), we get a palindrome (20223344332202).

The spelling of 20002122212200 in words is "twenty trillion, two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 139 200 278 556 695 1112 1390 2780 3475 5560 6950 13900 27800 719500799 1439001598 2878003196 3597503995 5756006392 7195007990 14390015980 17987519975 28780031960 35975039950 71950079900 100010611061 143900159800 200021222122 400042444244 500053055305 800084888488 1000106110610 2000212221220 2500265276525 4000424442440 5000530553050 10001061106100 20002122212200