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221122200020200 = 23523135664870971
BaseRepresentation
bin110010010001110000000110…
…001011110010010011101000
31001222221002001022102012120021
4302101300012023302103220
5212440331231201121300
62102142045240410224
764401360152203063
oct6221600613622350
91058832038365507
10221122200020200
11645024422a4106
1220972b69476974
13964c9707633bb
143c8652b8b58da
151a86d68864d1a
hexc91c062f24e8

221122200020200 has 48 divisors (see below), whose sum is σ = 530693280063360. Its totient is φ = 85595690328000.

The previous prime is 221122200020131. The next prime is 221122200020203. The reversal of 221122200020200 is 2020002221122.

It is not an unprimeable number, because it can be changed into a prime (221122200020203) 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, 17832429286 + ... + 17832441685.

It is an arithmetic number, because the mean of its divisors is an integer number (11056110001320).

Almost surely, 2221122200020200 is an apocalyptic number.

221122200020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221122200020200 is an abundant number, since it is smaller than the sum of its proper divisors (309571080043160).

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

221122200020200 is a wasteful number, since it uses less digits than its factorization.

221122200020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35664871018 (or 35664871009 counting only the distinct ones).

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

Adding to 221122200020200 its reverse (2020002221122), we get a palindrome (223142202241322).

The spelling of 221122200020200 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, two hundred million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 100 124 155 200 248 310 620 775 1240 1550 3100 6200 35664870971 71329741942 142659483884 178324354855 285318967768 356648709710 713297419420 891621774275 1105611000101 1426594838840 1783243548550 2211222000202 3566487097100 4422444000404 5528055000505 7132974194200 8844888000808 11056110001010 22112220002020 27640275002525 44224440004040 55280550005050 110561100010100 221122200020200