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20425440042302 = 261894261441479
BaseRepresentation
bin1001010010011101010110…
…00110010001110100111110
32200022122122000221221000112
410221032223012101310332
510134122300122323202
6111235152334430022
74205455305511301
oct451165306216476
980278560857015
1020425440042302
116565420460789
12235a706662312
13b52159379a39
1450884cdd2b38
152564a4dc4b52
hex1293ab191d3e

20425440042302 has 32 divisors (see below), whose sum is σ = 31497779102400. Its totient is φ = 9930076358400.

The previous prime is 20425440042233. The next prime is 20425440042341. The reversal of 20425440042302 is 20324004452402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46045199 + ... + 46486677.

It is an arithmetic number, because the mean of its divisors is an integer number (984305596950).

Almost surely, 220425440042302 is an apocalyptic number.

20425440042302 is a deficient number, since it is larger than the sum of its proper divisors (11072339060098).

20425440042302 is a wasteful number, since it uses less digits than its factorization.

20425440042302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445892.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 20425440042302 its reverse (20324004452402), we get a palindrome (40749444494704).

The spelling of 20425440042302 in words is "twenty trillion, four hundred twenty-five billion, four hundred forty million, forty-two thousand, three hundred two".

Divisors: 1 2 61 89 122 178 4261 5429 8522 10858 259921 379229 441479 519842 758458 882958 23132969 26930219 39291631 46265938 53860438 78583262 1881142019 2396789491 3762284038 4793578982 114749663159 167421639691 229499326318 334843279382 10212720021151 20425440042302