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20258604330 = 2351429472559
BaseRepresentation
bin10010110111100000…
…011100010100101010
31221021212010201200220
4102313200130110222
5312442200314310
613150124110510
71315012203246
oct226740342452
957255121626
1020258604330
1186564aa308
123b14695436
131bab140853
14da27a1426
157d87ee670
hex4b781c52a

20258604330 has 32 divisors (see below), whose sum is σ = 48654777600. Its totient is φ = 5398502592.

The previous prime is 20258604323. The next prime is 20258604349. The reversal of 20258604330 is 3340685202.

It is a happy number.

20258604330 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×202586043303 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20258604291 and 20258604300.

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, 193410 + ... + 279149.

It is an arithmetic number, because the mean of its divisors is an integer number (1520461800).

Almost surely, 220258604330 is an apocalyptic number.

20258604330 is an abundant number, since it is smaller than the sum of its proper divisors (28396173270).

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

20258604330 is a wasteful number, since it uses less digits than its factorization.

20258604330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473998.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 20258604330 in words is "twenty billion, two hundred fifty-eight million, six hundred four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1429 2858 4287 7145 8574 14290 21435 42870 472559 945118 1417677 2362795 2835354 4725590 7088385 14176770 675286811 1350573622 2025860433 3376434055 4051720866 6752868110 10129302165 20258604330