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2020669398 = 2321110205401
BaseRepresentation
bin111100001110000…
…1111011111010110
312012211020122022100
41320130033133112
513114242410043
6532301542530
7101034256266
oct17034173726
95184218270
102020669398
11947684910
12484874a46
13262833387
141525197a6
15bc5e6cd3
hex7870f7d6

2020669398 has 24 divisors (see below), whose sum is σ = 4776128136. Its totient is φ = 612324000.

The previous prime is 2020669381. The next prime is 2020669421. The reversal of 2020669398 is 8939660202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5102503 + ... + 5102898.

It is an arithmetic number, because the mean of its divisors is an integer number (199005339).

Almost surely, 22020669398 is an apocalyptic number.

2020669398 is an abundant number, since it is smaller than the sum of its proper divisors (2755458738).

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

2020669398 is a wasteful number, since it uses less digits than its factorization.

2020669398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10205420 (or 10205417 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 2020669398 is about 44951.8564466475. The cubic root of 2020669398 is about 1264.2464848555.

The spelling of 2020669398 in words is "two billion, twenty million, six hundred sixty-nine thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 10205401 20410802 30616203 61232406 91848609 112259411 183697218 224518822 336778233 673556466 1010334699 2020669398