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20023204503055 = 5131072878965421
BaseRepresentation
bin1001000110110000000111…
…11111011101111000001111
32121220012101112211101200211
410203120003333131320033
510111030010323044210
6110330311055103251
74134425450032165
oct443300377357017
977805345741624
1020023204503055
11641a87aa35696
1222b476a811b27
13b23245845a10
144d31b1d81235
1524acb20de38a
hex123603fdde0f

20023204503055 has 16 divisors (see below), whose sum is σ = 26117974308384. Its totient is φ = 14648176056960.

The previous prime is 20023204502941. The next prime is 20023204503151. The reversal of 20023204503055 is 55030540232002.

It is not a de Polignac number, because 20023204503055 - 27 = 20023204502927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439475756 + ... + 1439489665.

It is an arithmetic number, because the mean of its divisors is an integer number (1632373394274).

Almost surely, 220023204503055 is an apocalyptic number.

20023204503055 is a deficient number, since it is larger than the sum of its proper divisors (6094769805329).

20023204503055 is a wasteful number, since it uses less digits than its factorization.

20023204503055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878965546.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 20023204503055 its reverse (55030540232002), we get a palindrome (75053744735057).

The spelling of 20023204503055 in words is "twenty trillion, twenty-three billion, two hundred four million, five hundred three thousand, fifty-five".

Divisors: 1 5 13 65 107 535 1391 6955 2878965421 14394827105 37426550473 187132752365 308049300047 1540246500235 4004640900611 20023204503055