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20210200222001 = 50659139894511
BaseRepresentation
bin1001001100001100011011…
…10011100001100100110001
32122120002001121021011020012
410212012031303201210301
510122110442224101001
6110552234322224305
74154065413311306
oct446061563414461
978502047234205
1020210200222001
116492109167a79
122324a571b5095
13b37a7692471a
144dc270d010ad
15250aa8a682bb
hex12618dce1931

20210200222001 has 4 divisors (see below), whose sum is σ = 20210240623104. Its totient is φ = 20210159820900.

The previous prime is 20210200221979. The next prime is 20210200222027. The reversal of 20210200222001 is 10022200201202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20210200222001 - 238 = 19935322315057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210200222301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19440665 + ... + 20453846.

It is an arithmetic number, because the mean of its divisors is an integer number (5052560155776).

Almost surely, 220210200222001 is an apocalyptic number.

It is an amenable number.

20210200222001 is a deficient number, since it is larger than the sum of its proper divisors (40401103).

20210200222001 is an equidigital number, since it uses as much as digits as its factorization.

20210200222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40401102.

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

Adding to 20210200222001 its reverse (10022200201202), we get a palindrome (30232400423203).

The spelling of 20210200222001 in words is "twenty trillion, two hundred ten billion, two hundred million, two hundred twenty-two thousand, one".

Divisors: 1 506591 39894511 20210200222001