Search a number
-
+
202122232320220 = 225171986336255239
BaseRepresentation
bin101101111101010000111111…
…110110111101000011011100
3222111122200210220011010200121
4231331100333312331003130
5202443032312433221340
61553513401025204324
760400564224355312
oct5575207766750334
9874580726133617
10202122232320220
11594476149134a3
121a8047867906a4
1388a2077347044
1437caaa80ac0b2
1518579e2ec594a
hexb7d43fdbd0dc

202122232320220 has 96 divisors (see below), whose sum is σ = 473626853683200. Its totient is φ = 72004642919424.

The previous prime is 202122232320193. The next prime is 202122232320223. The reversal of 202122232320220 is 22023232221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122232320223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12552640 + ... + 23702599.

It is an arithmetic number, because the mean of its divisors is an integer number (4933613059200).

Almost surely, 2202122232320220 is an apocalyptic number.

202122232320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122232320220 is an abundant number, since it is smaller than the sum of its proper divisors (271504621362980).

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

202122232320220 is a wasteful number, since it uses less digits than its factorization.

202122232320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36256147 (or 36256145 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 202122232320220 its reverse (22023232221202), we get a palindrome (224145464541422).

The spelling of 202122232320220 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred thirty-two million, three hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 19 20 34 38 68 76 85 95 170 190 323 340 380 646 863 1292 1615 1726 3230 3452 4315 6460 8630 14671 16397 17260 29342 32794 58684 65588 73355 81985 146710 163970 278749 293420 327940 557498 1114996 1393745 2787490 5574980 36255239 72510478 145020956 181276195 362552390 616339063 688849541 725104780 1232678126 1377699082 2465356252 2755398164 3081695315 3444247705 6163390630 6888495410 11710442197 12326781260 13776990820 23420884394 31288271257 46841768788 58552210985 62576542514 117104421970 125153085028 156441356285 234208843940 312882712570 531900611369 594477153883 625765425140 1063801222738 1188954307766 2127602445476 2377908615532 2659503056845 2972385769415 5319006113690 5944771538830 10106111616011 10638012227380 11889543077660 20212223232022 40424446464044 50530558080055 101061116160110 202122232320220