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20130022040 = 2353931128021
BaseRepresentation
bin10010101111110101…
…111100001010011000
31220221220012001221212
4102233311330022120
5312211241201130
613125252122252
71311561235622
oct225765741230
956856161855
1020130022040
11859a966557
123a99606388
131b8a60045b
14d8d68dc12
157cc3a0e95
hex4afd7c298

20130022040 has 32 divisors (see below), whose sum is σ = 45304425360. Its totient is φ = 8049897600.

The previous prime is 20130022007. The next prime is 20130022063. The reversal of 20130022040 is 4022003102.

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 7 ways as a sum of consecutive naturals, for example, 93230 + ... + 221250.

Almost surely, 220130022040 is an apocalyptic number.

20130022040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130022040 is an abundant number, since it is smaller than the sum of its proper divisors (25174403320).

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

20130022040 is a wasteful number, since it uses less digits than its factorization.

20130022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131963 (or 131959 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20130022040 its reverse (4022003102), we get a palindrome (24152025142).

The spelling of 20130022040 in words is "twenty billion, one hundred thirty million, twenty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 3931 7862 15724 19655 31448 39310 78620 128021 157240 256042 512084 640105 1024168 1280210 2560420 5120840 503250551 1006501102 2013002204 2516252755 4026004408 5032505510 10065011020 20130022040