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20341320424 = 232542665053
BaseRepresentation
bin10010111100011011…
…111110101011101000
31221111121210010211221
4102330123332223220
5313124334223144
613202241031424
71320035241115
oct227433765350
957447703757
1020341320424
118699166117
123b38325574
131bc2312299
14dad77390c
157e0bdcd84
hex4bc6feae8

20341320424 has 8 divisors (see below), whose sum is σ = 38139975810. Its totient is φ = 10170660208.

The previous prime is 20341320343. The next prime is 20341320427. The reversal of 20341320424 is 42402314302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15495768324 + 4845552100 = 124482^2 + 69610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20341320427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271332519 + ... + 1271332534.

Almost surely, 220341320424 is an apocalyptic number.

It is an amenable number.

20341320424 is a deficient number, since it is larger than the sum of its proper divisors (17798655386).

20341320424 is a wasteful number, since it uses less digits than its factorization.

20341320424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542665059 (or 2542665055 counting only the distinct ones).

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

Adding to 20341320424 its reverse (42402314302), we get a palindrome (62743634726).

The spelling of 20341320424 in words is "twenty billion, three hundred forty-one million, three hundred twenty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 2542665053 5085330106 10170660212 20341320424