Search a number
-
+
204220310024020 = 22561837013287579
BaseRepresentation
bin101110011011110010111111…
…000010001110111101010100
3222210002021022112111120020211
4232123302333002032331110
5203231421143331232040
62002201303143535204
761005300442530643
oct5633627702167524
9883067275446224
10204220310024020
115a08638aaa5834
121aaa332075a504
1389c4b7b07b974
14386045c58d35a
15189238b5788ea
hexb9bcbf08ef54

204220310024020 has 96 divisors (see below), whose sum is σ = 441209349544320. Its totient is φ = 79369319400960.

The previous prime is 204220310023943. The next prime is 204220310024069. The reversal of 204220310024020 is 20420013022402.

It is a junction number, because it is equal to n+sod(n) for n = 204220310023982 and 204220310024000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 709992591 + ... + 710280169.

It is an arithmetic number, because the mean of its divisors is an integer number (4595930724420).

Almost surely, 2204220310024020 is an apocalyptic number.

204220310024020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204220310024020 is an abundant number, since it is smaller than the sum of its proper divisors (236989039520300).

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

204220310024020 is a wasteful number, since it uses less digits than its factorization.

204220310024020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294745 (or 294743 counting only the distinct ones).

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

Adding to 204220310024020 its reverse (20420013022402), we get a palindrome (224640323046422).

The spelling of 204220310024020 in words is "two hundred four trillion, two hundred twenty billion, three hundred ten million, twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 61 83 122 166 244 305 332 415 610 830 1220 1660 5063 7013 10126 14026 20252 25315 28052 35065 50630 70130 101260 140260 287579 427793 575158 582079 855586 1150316 1164158 1437895 1711172 2138965 2328316 2875790 2910395 4277930 5751580 5820790 8555860 11641580 17542319 23869057 35084638 35506819 47738114 70169276 71013638 87711595 95476228 119345285 142027276 175423190 177534095 238690570 350846380 355068190 477381140 710136380 1456012477 2016791527 2912024954 4033583054 5824049908 7280062385 8067166108 10083957635 14560124770 20167915270 29120249540 40335830540 123024283147 167393696741 246048566294 334787393482 492097132588 615121415735 669574786964 836968483705 1230242831470 1673936967410 2460485662940 3347873934820 10211015501201 20422031002402 40844062004804 51055077506005 102110155012010 204220310024020