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20102220112110 = 23524114341193877
BaseRepresentation
bin1001001001000011010011…
…01100000110000011101110
32122011202100021122020011220
410210201221230012003232
510113323321322041420
6110430455445524210
74143223516443303
oct444415154060356
978152307566156
1020102220112110
11645033820a234
122307b40a13666
13b2a828a47286
144d6d4a0b30aa
1524cd88e61840
hex124869b060ee

20102220112110 has 64 divisors (see below), whose sum is σ = 48449144361024. Its totient is φ = 5337949132800.

The previous prime is 20102220112081. The next prime is 20102220112127. The reversal of 20102220112110 is 1121102220102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20102220112110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103588492 + ... + 103782368.

It is an arithmetic number, because the mean of its divisors is an integer number (757017880641).

Almost surely, 220102220112110 is an apocalyptic number.

20102220112110 is an abundant number, since it is smaller than the sum of its proper divisors (28346924248914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20102220112110 is a wasteful number, since it uses less digits than its factorization.

20102220112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208469.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102220112110 its reverse (1121102220102), we get a palindrome (21223322332212).

The spelling of 20102220112110 in words is "twenty trillion, one hundred two billion, two hundred twenty million, one hundred twelve thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 241 482 723 1205 1446 2410 3615 7230 14341 28682 43023 71705 86046 143410 193877 215115 387754 430230 581631 969385 1163262 1938770 2908155 3456181 5816310 6912362 10368543 17280905 20737086 34561810 46724357 51842715 93448714 103685430 140173071 233621785 280346142 467243570 700865355 1401730710 2780390057 5560780114 8341170171 13901950285 16682340342 27803900570 41705850855 83411701710 670074003737 1340148007474 2010222011211 3350370018685 4020444022422 6700740037370 10051110056055 20102220112110