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204060020 = 22510203001
BaseRepresentation
bin11000010100110…
…11010101110100
3112012222022201112
430022123111310
5404214410040
632125414152
75025324113
oct1412332564
9465868645
10204060020
11a520634a
125840a358
1333379298
141d15bc7a
1512dac365
hexc29b574

204060020 has 12 divisors (see below), whose sum is σ = 428526084. Its totient is φ = 81624000.

The previous prime is 204059953. The next prime is 204060047. The reversal of 204060020 is 20060402.

204060020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 146845924 + 57214096 = 12118^2 + 7564^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 204059977 and 204060004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5101481 + ... + 5101520.

It is an arithmetic number, because the mean of its divisors is an integer number (35710507).

Almost surely, 2204060020 is an apocalyptic number.

204060020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204060020 is an abundant number, since it is smaller than the sum of its proper divisors (224466064).

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

204060020 is a wasteful number, since it uses less digits than its factorization.

204060020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10203010 (or 10203008 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 204060020 is about 14284.9578228289. The cubic root of 204060020 is about 588.7342586506.

The spelling of 204060020 in words is "two hundred four million, sixty thousand, twenty".

Divisors: 1 2 4 5 10 20 10203001 20406002 40812004 51015005 102030010 204060020