Search a number
-
+
202020120212212 = 221671181256075639
BaseRepresentation
bin101101111011110001111001…
…100000001011001011110100
3222111021221020112012120221101
4231323301321200023023310
5202434344201233242322
61553354432332255444
760360320622643441
oct5573617140131364
9874257215176841
10202020120212212
115940828522a395
121a7a8a29611584
13889555309a563
1437c5b7c72c9c8
151855018631327
hexb7bc7980b2f4

202020120212212 has 24 divisors (see below), whose sum is σ = 355953334020480. Its totient is φ = 100320191942880.

The previous prime is 202020120212167. The next prime is 202020120212237. The reversal of 202020120212212 is 212212021020202.

It is a super-3 number, since 3×2020201202122123 (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202020120212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127248912 + ... + 128826727.

It is an arithmetic number, because the mean of its divisors is an integer number (14831388917520).

Almost surely, 2202020120212212 is an apocalyptic number.

It is an amenable number.

202020120212212 is a deficient number, since it is larger than the sum of its proper divisors (153933213808268).

202020120212212 is a wasteful number, since it uses less digits than its factorization.

202020120212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256076991 (or 256076989 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202020120212212 its reverse (212212021020202), we get a palindrome (414232141232414).

The spelling of 202020120212212 in words is "two hundred two trillion, twenty billion, one hundred twenty million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 167 334 668 1181 2362 4724 197227 394454 788908 256075639 512151278 1024302556 42764631713 85529263426 171058526852 302425329659 604850659318 1209701318636 50505030053053 101010060106106 202020120212212