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20413424442 = 235257164717
BaseRepresentation
bin10011000000101111…
…000010001100111010
31221200122110101222010
4103000233002030322
5313301314040232
613213334310350
71321602146655
oct230057021472
957618411863
1020413424442
118725933a14
123b584b83b6
131c04239698
14db918289c
157e71d20cc
hex4c0bc233a

20413424442 has 16 divisors (see below), whose sum is σ = 40828256352. Its totient is φ = 6804240240.

The previous prime is 20413424411. The next prime is 20413424557. The reversal of 20413424442 is 24442431402.

It is a super-2 number, since 2×204134244422 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283068 + ... + 347784.

It is an arithmetic number, because the mean of its divisors is an integer number (2551766022).

Almost surely, 220413424442 is an apocalyptic number.

20413424442 is an abundant number, since it is smaller than the sum of its proper divisors (20414831910).

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

20413424442 is a wasteful number, since it uses less digits than its factorization.

20413424442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117293.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20413424442 its reverse (24442431402), we get a palindrome (44855855844).

The spelling of 20413424442 in words is "twenty billion, four hundred thirteen million, four hundred twenty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 52571 64717 105142 129434 157713 194151 315426 388302 3402237407 6804474814 10206712221 20413424442