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20044622446 = 217719538713
BaseRepresentation
bin10010101010110000…
…001010101001101110
31220201221111022201221
4102222300022221232
5312022410404241
613113001453554
71306503323332
oct225260125156
956657438657
1020044622446
118556737582
123a74aa12ba
131b759cc454
14d821bd7c2
157c4b325d1
hex4aac0aa6e

20044622446 has 32 divisors (see below), whose sum is σ = 32321550528. Its totient is φ = 9289082880.

The previous prime is 20044622441. The next prime is 20044622459. The reversal of 20044622446 is 64422644002.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044622441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2296186 + ... + 2304898.

It is an arithmetic number, because the mean of its divisors is an integer number (1010048454).

Almost surely, 220044622446 is an apocalyptic number.

20044622446 is a deficient number, since it is larger than the sum of its proper divisors (12276928082).

20044622446 is a wasteful number, since it uses less digits than its factorization.

20044622446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756.

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 20044622446 in words is "twenty billion, forty-four million, six hundred twenty-two thousand, four hundred forty-six".

Divisors: 1 2 17 34 71 142 953 1207 1906 2414 8713 16201 17426 32402 67663 135326 148121 296242 618623 1150271 1237246 2300542 8303489 10516591 16606978 21033182 141159313 282318626 589547719 1179095438 10022311223 20044622446