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200020202220 = 223517319269769
BaseRepresentation
bin1011101001001000100…
…0100001001011101100
3201010021202022001201210
42322102020201023230
511234120132432340
6231515451034420
720310454444416
oct2722210411354
9633252261653
10200020202220
117791220a453
123292243ba10
1315b28573657
149976a5d9b6
15530a115180
hex2e922212ec

200020202220 has 48 divisors (see below), whose sum is σ = 563293916640. Its totient is φ = 53030401536.

The previous prime is 200020202203. The next prime is 200020202269. The reversal of 200020202220 is 22202020002.

It is a super-2 number, since 2×2000202022202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 200020202196 and 200020202205.

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, 9624505 + ... + 9645264.

It is an arithmetic number, because the mean of its divisors is an integer number (11735289930).

Almost surely, 2200020202220 is an apocalyptic number.

200020202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020202220 is an abundant number, since it is smaller than the sum of its proper divisors (363273714420).

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

200020202220 is a wasteful number, since it uses less digits than its factorization.

200020202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19269954 (or 19269952 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 200020202220 its reverse (22202020002), we get a palindrome (222222222222).

The spelling of 200020202220 in words is "two hundred billion, twenty million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 173 346 519 692 865 1038 1730 2076 2595 3460 5190 10380 19269769 38539538 57809307 77079076 96348845 115618614 192697690 231237228 289046535 385395380 578093070 1156186140 3333670037 6667340074 10001010111 13334680148 16668350185 20002020222 33336700370 40004040444 50005050555 66673400740 100010101110 200020202220