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220201202002021 = 5033328913150763
BaseRepresentation
bin110010000100010110010110…
…011011001010100001100101
31001212200000210101011021111221
4302010112112123022201211
5212330234030203031041
62100155011412500341
764245004030210462
oct6204262633124145
91055600711137457
10220201202002021
1164187894995489
122084457501a6b1
1395b3b65907586
143c53b1b854669
151a6ce12b7d2d1
hexc845966ca865

220201202002021 has 8 divisors (see below), whose sum is σ = 220645622514240. Its totient is φ = 219756807858912.

The previous prime is 220201202001961. The next prime is 220201202002057. The reversal of 220201202002021 is 120200202102022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220201202002021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220201202001986 and 220201202002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220201202002121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10168986 + ... + 23319748.

It is an arithmetic number, because the mean of its divisors is an integer number (27580702814280).

Almost surely, 2220201202002021 is an apocalyptic number.

It is an amenable number.

220201202002021 is a deficient number, since it is larger than the sum of its proper divisors (444420512219).

220201202002021 is a wasteful number, since it uses less digits than its factorization.

220201202002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13184555.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220201202002021 its reverse (120200202102022), we get a palindrome (340401404104043).

The spelling of 220201202002021 in words is "two hundred twenty trillion, two hundred one billion, two hundred two million, two thousand, twenty-one".

Divisors: 1 503 33289 13150763 16744367 6614833789 437775749507 220201202002021