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20014020342 = 2321111890019
BaseRepresentation
bin10010101000111011…
…011011011011110110
31220122210220120112200
4102220323123123312
5311442042122332
613105545525330
71305652236351
oct225073333366
956583816480
1020014020342
118540435788
123a667a3846
131b6c5763b4
14d7c0d5298
157c20da17c
hex4a8edb6f6

20014020342 has 12 divisors (see below), whose sum is σ = 43363710780. Its totient is φ = 6671340108.

The previous prime is 20014020289. The next prime is 20014020359. The reversal of 20014020342 is 24302041002.

It is a super-2 number, since 2×200140203422 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1111890019 = 20014020342 / (2 + 0 + 0 + 1 + 4 + 0 + 2 + 0 + 3 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555944992 + ... + 555945027.

It is an arithmetic number, because the mean of its divisors is an integer number (3613642565).

Almost surely, 220014020342 is an apocalyptic number.

20014020342 is an abundant number, since it is smaller than the sum of its proper divisors (23349690438).

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

20014020342 is a wasteful number, since it uses less digits than its factorization.

20014020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111890027 (or 1111890024 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20014020342 its reverse (24302041002), we get a palindrome (44316061344).

The spelling of 20014020342 in words is "twenty billion, fourteen million, twenty thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 1111890019 2223780038 3335670057 6671340114 10007010171 20014020342