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20012021010110 = 2519105326426369
BaseRepresentation
bin1001000110011011010010…
…11001110100111010111110
32121212010112011010002110102
410203031221121310322332
510110334104334310420
6110321221234041102
74133551351642403
oct443155131647276
977763464102412
1020012021010110
116416061169938
1222b2569419192
13b221828c367c
144d28309882aa
1524a85a3a6a75
hex123369674ebe

20012021010110 has 16 divisors (see below), whose sum is σ = 37917513493200. Its totient is φ = 7583502698496.

The previous prime is 20012021010101. The next prime is 20012021010131. The reversal of 20012021010110 is 1101012021002.

It is a junction number, because it is equal to n+sod(n) for n = 20012021010091 and 20012021010100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52663212995 + ... + 52663213374.

It is an arithmetic number, because the mean of its divisors is an integer number (2369844593325).

Almost surely, 220012021010110 is an apocalyptic number.

20012021010110 is a deficient number, since it is larger than the sum of its proper divisors (17905492483090).

20012021010110 is a wasteful number, since it uses less digits than its factorization.

20012021010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105326426395.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20012021010110 its reverse (1101012021002), we get a palindrome (21113033031112).

The spelling of 20012021010110 in words is "twenty trillion, twelve billion, twenty-one million, ten thousand, one hundred ten".

Divisors: 1 2 5 10 19 38 95 190 105326426369 210652852738 526632131845 1053264263690 2001202101011 4002404202022 10006010505055 20012021010110