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20023202201223 = 3131237415048861
BaseRepresentation
bin1001000110110000000111…
…10110101011111010000111
32121220012101101111110011210
410203120003312223322013
510111030004230414343
6110330310533502503
74134425421334254
oct443300366537207
977805341443153
1020023202201223
11641a879703251
1222b4769aa1a33
13b2324521b0a0
144d31b194242b
1524acb1cd7333
hex123603dabe87

20023202201223 has 16 divisors (see below), whose sum is σ = 28774507504736. Its totient is φ = 12312009383040.

The previous prime is 20023202201173. The next prime is 20023202201231. The reversal of 20023202201223 is 32210220232002.

It is not a de Polignac number, because 20023202201223 - 216 = 20023202135687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20023202201223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023202211223) 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 15 ways as a sum of consecutive naturals, for example, 207476188 + ... + 207572673.

It is an arithmetic number, because the mean of its divisors is an integer number (1798406719046).

Almost surely, 220023202201223 is an apocalyptic number.

20023202201223 is a deficient number, since it is larger than the sum of its proper divisors (8751305303513).

20023202201223 is a wasteful number, since it uses less digits than its factorization.

20023202201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415050114.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20023202201223 its reverse (32210220232002), we get a palindrome (52233422433225).

The spelling of 20023202201223 in words is "twenty trillion, twenty-three billion, two hundred two million, two hundred one thousand, two hundred twenty-three".

Divisors: 1 3 13 39 1237 3711 16081 48243 415048861 1245146583 5395635193 16186905579 513415441057 1540246323171 6674400733741 20023202201223