Search a number
-
+
20202020210102 = 2172611996774253
BaseRepresentation
bin1001001011111101001100…
…01111010000010110110110
32122112021221112010111102112
410211332212033100112312
510121442214133210402
6110544402512211022
74153355615333153
oct445764617202666
978467845114375
1020202020210102
1164896a0819a65
122323353839a72
13b370720051b3
144dbad677922a
1525077a860e52
hex125fa63d05b6

20202020210102 has 96 divisors (see below), whose sum is σ = 32938854724800. Its totient is φ = 9288066078720.

The previous prime is 20202020210093. The next prime is 20202020210137. The reversal of 20202020210102 is 20101202020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4750061408 + ... + 4750065660.

It is an arithmetic number, because the mean of its divisors is an integer number (343113070050).

Almost surely, 220202020210102 is an apocalyptic number.

20202020210102 is a deficient number, since it is larger than the sum of its proper divisors (12736834514698).

20202020210102 is a wasteful number, since it uses less digits than its factorization.

20202020210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226 (or 5209 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20202020210102 its reverse (20101202020202), we get a palindrome (40303222230304).

The spelling of 20202020210102 in words is "twenty trillion, two hundred two billion, twenty million, two hundred ten thousand, one hundred two".

Divisors: 1 2 17 34 61 122 199 289 398 578 677 1037 1354 2074 3383 4253 6766 8506 11509 12139 17629 23018 24278 35258 41297 57511 72301 82594 115022 134723 144602 195653 206363 259433 269446 391306 412726 518866 702049 846347 1229117 1404098 1692694 2290291 2458234 2879281 3508171 4410361 4580582 5758562 7016342 8218103 8820722 11934833 14387899 16436206 23869666 28775798 38934947 48947777 51627167 74976137 77869894 97895554 103254334 139707751 149952274 175636141 244594283 279415502 351272282 489188566 572976919 832112209 877661839 1145953838 1664224418 1755323678 2375031767 2985814397 4750063534 5971628794 9740607623 14920251263 19481215246 29840502526 34951592059 50758844749 69903184118 101517689498 165590329591 331180659182 594177065003 1188354130006 10101010105051 20202020210102