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202020213213 = 33713223733767
BaseRepresentation
bin1011110000100101010…
…1111101000111011101
3201022110010200011001000
42330021111331013131
511302214133310323
6232450134140513
720411151323310
oct2741125750735
9638403604030
10202020213213
11787491642a5
12331a01b1739
1316086a22a00
149ac651c977
1553c59cae43
hex2f0957d1dd

202020213213 has 192 divisors, whose sum is σ = 391881646080. Its totient is φ = 100504115712.

The previous prime is 202020213211. The next prime is 202020213247. The reversal of 202020213213 is 312312020202.

It is not a de Polignac number, because 202020213213 - 21 = 202020213211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020213211) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 53627056 + ... + 53630822.

It is an arithmetic number, because the mean of its divisors is an integer number (2041050240).

Almost surely, 2202020213213 is an apocalyptic number.

202020213213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

202020213213 is a deficient number, since it is larger than the sum of its proper divisors (189861432867).

202020213213 is a wasteful number, since it uses less digits than its factorization.

202020213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905 (or 3886 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202020213213 its reverse (312312020202), we get a palindrome (514332233415).

The spelling of 202020213213 in words is "two hundred two billion, twenty million, two hundred thirteen thousand, two hundred thirteen".