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20201010200221 = 157871863768659
BaseRepresentation
bin1001001011111011010100…
…00010010111111010011101
32122112012100010121200100011
410211331222002113322131
510121433132102401341
6110544114352203221
74153321602362014
oct445755202277235
978465303550304
1020201010200221
116489222689654
122323111539511
13b36c409a1b06
144dba3c583a7b
1525071bd53b81
hex125f6a097e9d

20201010200221 has 8 divisors (see below), whose sum is σ = 20203668043040. Its totient is φ = 20198352563568.

The previous prime is 20201010200197. The next prime is 20201010200257. The reversal of 20201010200221 is 12200201010202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20201010200221 - 237 = 20063571246749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201010207221) 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, 294187990 + ... + 294256648.

It is an arithmetic number, because the mean of its divisors is an integer number (2525458505380).

Almost surely, 220201010200221 is an apocalyptic number.

It is an amenable number.

20201010200221 is a deficient number, since it is larger than the sum of its proper divisors (2657842819).

20201010200221 is a wasteful number, since it uses less digits than its factorization.

20201010200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103083.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20201010200221 its reverse (12200201010202), we get a palindrome (32401211210423).

The spelling of 20201010200221 in words is "twenty trillion, two hundred one billion, ten million, two hundred thousand, two hundred twenty-one".

Divisors: 1 15787 18637 68659 294222319 1083919633 1279597783 20201010200221