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20012230453365 = 335295111680831
BaseRepresentation
bin1001000110011011101011…
…11000110010100001110101
32121212011001202012220121000
410203031311320302201311
510110340021444001430
6110321254115113513
74133556504120213
oct443156570624165
977764052186530
1020012230453365
116416159411737
1222b26075a2899
13b221b7105ca7
144d2850707cb3
1524a86d978e60
hex123375e32875

20012230453365 has 32 divisors (see below), whose sum is σ = 36804101990400. Its totient is φ = 10305148553280.

The previous prime is 20012230453363. The next prime is 20012230453367. The reversal of 20012230453365 is 56335403221002.

20012230453365 is a `hidden beast` number, since 2 + 0 + 0 + 12 + 2 + 304 + 5 + 336 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (20012230453363) and next prime (20012230453367).

It is not a de Polignac number, because 20012230453365 - 21 = 20012230453363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012230453363) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2555836501 + ... + 2555844330.

It is an arithmetic number, because the mean of its divisors is an integer number (1150128187200).

Almost surely, 220012230453365 is an apocalyptic number.

It is an amenable number.

20012230453365 is a deficient number, since it is larger than the sum of its proper divisors (16791871537035).

20012230453365 is a wasteful number, since it uses less digits than its factorization.

20012230453365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111680874 (or 5111680868 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 20012230453365 its reverse (56335403221002), we get a palindrome (76347633674367).

The spelling of 20012230453365 in words is "twenty trillion, twelve billion, two hundred thirty million, four hundred fifty-three thousand, three hundred sixty-five".

Divisors: 1 3 5 9 15 27 29 45 87 135 145 261 435 783 1305 3915 5111680831 15335042493 25558404155 46005127479 76675212465 138015382437 148238744099 230025637395 444716232297 690076912185 741193720495 1334148696891 2223581161485 4002446090673 6670743484455 20012230453365