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20200211121001 = 56467357734803
BaseRepresentation
bin1001001011111001110100…
…11010001000001101101001
32122112010021110000020201111
410211330322122020031221
510121430013021333001
6110543503205150321
74153263030332002
oct445747232101551
978463243006644
1020200211121001
1164889526175aa
122322b299bb3a1
13b36b44282082
144db9a43b81a9
152506c1b0e851
hex125f3a688369

20200211121001 has 4 divisors (see below), whose sum is σ = 20200568912272. Its totient is φ = 20199853329732.

The previous prime is 20200211120989. The next prime is 20200211121023. The reversal of 20200211121001 is 10012111200202.

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 20200211121001 - 211 = 20200211118953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200211121031) 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, 178810935 + ... + 178923868.

It is an arithmetic number, because the mean of its divisors is an integer number (5050142228068).

Almost surely, 220200211121001 is an apocalyptic number.

It is an amenable number.

20200211121001 is a deficient number, since it is larger than the sum of its proper divisors (357791271).

20200211121001 is an equidigital number, since it uses as much as digits as its factorization.

20200211121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357791270.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20200211121001 its reverse (10012111200202), we get a palindrome (30212322321203).

The spelling of 20200211121001 in words is "twenty trillion, two hundred billion, two hundred eleven million, one hundred twenty-one thousand, one".

Divisors: 1 56467 357734803 20200211121001