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14120020 = 225706001
BaseRepresentation
bin110101110111…
…010001010100
3222120101000201
4311313101110
512103320040
61222350244
7231006145
oct65672124
928511021
1014120020
117a74642
12488b384
132c04c55
141c37acc
15138da9a
hexd77454

14120020 has 12 divisors (see below), whose sum is σ = 29652084. Its totient is φ = 5648000.

The previous prime is 14120011. The next prime is 14120023. The reversal of 14120020 is 2002141.

It can be written as a sum of positive squares in 2 ways, for example, as 7160976 + 6959044 = 2676^2 + 2638^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 14119979 and 14120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14120023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 352981 + ... + 353020.

It is an arithmetic number, because the mean of its divisors is an integer number (2471007).

Almost surely, 214120020 is an apocalyptic number.

14120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14120020 is an abundant number, since it is smaller than the sum of its proper divisors (15532064).

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

14120020 is a wasteful number, since it uses less digits than its factorization.

14120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706010 (or 706008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 14120020 is about 3757.6615068417. The cubic root of 14120020 is about 241.7009944631.

Adding to 14120020 its reverse (2002141), we get a palindrome (16122161).

The spelling of 14120020 in words is "fourteen million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 706001 1412002 2824004 3530005 7060010 14120020