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20000220200 = 2352434749481
BaseRepresentation
bin10010101000000110…
…110010010000101000
31220121211221110022022
4102220012302100220
5311430024021300
613104334044012
71305424031612
oct225006622050
956554843268
1020000220200
11853366a504
123a62049608
131b69753c2c
14d7a341db2
157c0cb1285
hex4a81b2428

20000220200 has 96 divisors (see below), whose sum is σ = 48595282560. Its totient is φ = 7647628800.

The previous prime is 20000220169. The next prime is 20000220203. The reversal of 20000220200 is 202200002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (20000220203) 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, 379460 + ... + 428940.

It is an arithmetic number, because the mean of its divisors is an integer number (506200860).

Almost surely, 220000220200 is an apocalyptic number.

20000220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24297641280).

20000220200 is an abundant number, since it is smaller than the sum of its proper divisors (28595062360).

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

20000220200 is a wasteful number, since it uses less digits than its factorization.

20000220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49587 (or 49578 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20000220200 its reverse (202200002), we get a palindrome (20202420202).

The spelling of 20000220200 in words is "twenty billion, two hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 43 47 50 86 94 100 172 188 200 215 235 344 376 430 470 860 940 1075 1175 1720 1880 2021 2150 2350 4042 4300 4700 8084 8600 9400 10105 16168 20210 40420 49481 50525 80840 98962 101050 197924 202100 247405 395848 404200 494810 989620 1237025 1979240 2127683 2325607 2474050 4255366 4651214 4948100 8510732 9302428 9896200 10638415 11628035 17021464 18604856 21276830 23256070 42553660 46512140 53192075 58140175 85107320 93024280 100001101 106384150 116280350 200002202 212768300 232560700 400004404 425536600 465121400 500005505 800008808 1000011010 2000022020 2500027525 4000044040 5000055050 10000110100 20000220200