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1210201202020 = 225594312379569
BaseRepresentation
bin10001100111000101100…
…111001101110101100100
311021200202000001212101111
4101213011213031311210
5124311443001431040
62323543031434404
7153301625326546
oct21470547156544
94250660055344
101210201202020
11427275035168
12176665b25a04
138a176b90615
14428072a3696
152173058ddea
hex119c59cdd64

1210201202020 has 48 divisors (see below), whose sum is σ = 2590495084800. Its totient is φ = 474771407360.

The previous prime is 1210201202009. The next prime is 1210201202053. The reversal of 1210201202020 is 202021020121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681205 + ... + 1698364.

It is an arithmetic number, because the mean of its divisors is an integer number (53968647600).

Almost surely, 21210201202020 is an apocalyptic number.

1210201202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210201202020 is an abundant number, since it is smaller than the sum of its proper divisors (1380293882780).

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

1210201202020 is a wasteful number, since it uses less digits than its factorization.

1210201202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380068 (or 2380066 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1210201202020 its reverse (202021020121), we get a palindrome (1412222222141).

The spelling of 1210201202020 in words is "one trillion, two hundred ten billion, two hundred one million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 431 590 862 1180 1724 2155 4310 8620 25429 50858 101716 127145 254290 508580 2379569 4759138 9518276 11897845 23795690 47591380 140394571 280789142 561578284 701972855 1025594239 1403945710 2051188478 2807891420 4102376956 5127971195 10255942390 20511884780 60510060101 121020120202 242040240404 302550300505 605100601010 1210201202020