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20013244322 = 2172572290369
BaseRepresentation
bin10010101000111000…
…011101111110100010
31220122202110011001012
4102220320131332202
5311441342304242
613105521140522
71305642525041
oct225070357642
956582404035
1020013244322
11853aa55745
123a6648a742
131b6c364106
14d7bd72558
157c1ed5282
hex4a8e1dfa2

20013244322 has 16 divisors (see below), whose sum is σ = 31909434840. Its totient is φ = 9381347328.

The previous prime is 20013244319. The next prime is 20013244397. The reversal of 20013244322 is 22344231002.

It can be written as a sum of positive squares in 4 ways, for example, as 16458580681 + 3554663641 = 128291^2 + 59621^2 .

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, 1136447 + ... + 1153922.

Almost surely, 220013244322 is an apocalyptic number.

20013244322 is a deficient number, since it is larger than the sum of its proper divisors (11896190518).

20013244322 is a wasteful number, since it uses less digits than its factorization.

20013244322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290645.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20013244322 its reverse (22344231002), we get a palindrome (42357475324).

The spelling of 20013244322 in words is "twenty billion, thirteen million, two hundred forty-four thousand, three hundred twenty-two".

Divisors: 1 2 17 34 257 514 4369 8738 2290369 4580738 38936273 77872546 588624833 1177249666 10006622161 20013244322