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20010110 = 259472113
BaseRepresentation
bin100110001010…
…1010001111110
31101122121201012
41030111101332
520110310420
61552515222
7332040341
oct114252176
941577635
1020010110
111032798a
12684bb12
1341b7c03
14292c458
151b53dc5
hex131547e

20010110 has 16 divisors (see below), whose sum is σ = 36073296. Its totient is φ = 7991808.

The previous prime is 20010079. The next prime is 20010127. The reversal of 20010110 is 1101002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20010094 and 20010103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8414 + ... + 10526.

It is an arithmetic number, because the mean of its divisors is an integer number (2254581).

Almost surely, 220010110 is an apocalyptic number.

20010110 is a deficient number, since it is larger than the sum of its proper divisors (16063186).

20010110 is a wasteful number, since it uses less digits than its factorization.

20010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 20010110 is about 4473.2661445525. The cubic root of 20010110 is about 271.4874918917.

Adding to 20010110 its reverse (1101002), we get a palindrome (21111112).

The spelling of 20010110 in words is "twenty million, ten thousand, one hundred ten".

Divisors: 1 2 5 10 947 1894 2113 4226 4735 9470 10565 21130 2001011 4002022 10005055 20010110