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20024313442 = 2721069191141
BaseRepresentation
bin10010101001100010…
…101100011001100010
31220200112021112000121
4102221202230121202
5312002211012232
613110554310454
71306135566400
oct225142543142
956615245017
1020024313442
118546226081
123a6a12842a
131b7173b4a3
14d7d614470
157c2e6ed97
hex4a98ac662

20024313442 has 24 divisors (see below), whose sum is σ = 34973251740. Its totient is φ = 8573775840.

The previous prime is 20024313433. The next prime is 20024313497. The reversal of 20024313442 is 24431342002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19274046561 + 750266881 = 138831^2 + 27391^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9192 + ... + 200332.

Almost surely, 220024313442 is an apocalyptic number.

20024313442 is a deficient number, since it is larger than the sum of its proper divisors (14948938298).

20024313442 is a wasteful number, since it uses less digits than its factorization.

20024313442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192226 (or 192219 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20024313442 its reverse (24431342002), we get a palindrome (44455655444).

The spelling of 20024313442 in words is "twenty billion, twenty-four million, three hundred thirteen thousand, four hundred forty-two".

Divisors: 1 2 7 14 49 98 1069 2138 7483 14966 52381 104762 191141 382282 1337987 2675974 9365909 18731818 204329729 408659458 1430308103 2860616206 10012156721 20024313442