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20005502230 = 25719122912239
BaseRepresentation
bin10010101000011010…
…111011110100010110
31220122012212210220001
4102220122323310112
5311432402032410
613105043201514
71305516651250
oct225032736426
956565783801
1020005502230
118536647a1a
123a6397629a
131b6a8831ac
14d7ad18cd0
157c14a633a
hex4a86bbd16

20005502230 has 64 divisors (see below), whose sum is σ = 43358976000. Its totient is φ = 6492210048.

The previous prime is 20005502203. The next prime is 20005502243. The reversal of 20005502230 is 3220550002.

20005502230 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 20005502198 and 20005502207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1628451 + ... + 1640689.

It is an arithmetic number, because the mean of its divisors is an integer number (677484000).

Almost surely, 220005502230 is an apocalyptic number.

20005502230 is an abundant number, since it is smaller than the sum of its proper divisors (23353473770).

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

20005502230 is a wasteful number, since it uses less digits than its factorization.

20005502230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13501.

The product of its (nonzero) digits is 600, while the sum is 19.

The spelling of 20005502230 in words is "twenty billion, five million, five hundred two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1229 1330 2458 6145 8603 12239 12290 17206 23351 24478 43015 46702 61195 85673 86030 116755 122390 163457 171346 232541 233510 326914 428365 465082 817285 856730 1162705 1627787 1634570 2325410 3255574 8138935 15041731 16277870 30083462 75208655 105292117 150417310 210584234 285792889 526460585 571585778 1052921170 1428964445 2000550223 2857928890 4001100446 10002751115 20005502230