Search a number
-
+
2020204231240 = 235133885008137
BaseRepresentation
bin11101011001011101100…
…011100011101001001000
321011010111111200010210211
4131121131203203221020
5231044334240344430
64144022523450504
7265645354431226
oct35313543435110
97133444603724
102020204231240
11709844692858
12287642386a34
131186733481a0
146dac7d39b16
153783bb3b72a
hex1d65d8e3a48

2020204231240 has 32 divisors (see below), whose sum is σ = 4895110253880. Its totient is φ = 745921562112.

The previous prime is 2020204231229. The next prime is 2020204231247. The reversal of 2020204231240 is 421324020202.

It can be written as a sum of positive squares in 4 ways, for example, as 799139450916 + 1221064780324 = 893946^2 + 1105018^2 .

It is not an unprimeable number, because it can be changed into a prime (2020204231247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942503549 + ... + 1942504588.

Almost surely, 22020204231240 is an apocalyptic number.

2020204231240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020204231240 is an abundant number, since it is smaller than the sum of its proper divisors (2874906022640).

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

2020204231240 is a wasteful number, since it uses less digits than its factorization.

2020204231240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885008161 (or 3885008157 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2020204231240 its reverse (421324020202), we get a palindrome (2441528251442).

The spelling of 2020204231240 in words is "two trillion, twenty billion, two hundred four million, two hundred thirty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 3885008137 7770016274 15540032548 19425040685 31080065096 38850081370 50505105781 77700162740 101010211562 155400325480 202020423124 252525528905 404040846248 505051057810 1010102115620 2020204231240