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20200221200011 = 1723247720857073
BaseRepresentation
bin1001001011111001110110…
…00000100100111010001011
32122112010022010222022112011
410211330323000210322023
510121430023111400021
6110543504205200351
74153263212110606
oct445747300447213
978463263868464
1020200221200011
116488958281066
122322b312600b7
13b36b463a0898
144db9a587d33d
152506c2950de1
hex125f3b024e8b

20200221200011 has 16 divisors (see below), whose sum is σ = 22327414288704. Its totient is φ = 18178022815744.

The previous prime is 20200221200009. The next prime is 20200221200077. The reversal of 20200221200011 is 11000212200202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20200221200011 - 21 = 20200221200009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200221199964 and 20200221200000.

It is not an unprimeable number, because it can be changed into a prime (20200221200111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9460030 + ... + 11397043.

It is an arithmetic number, because the mean of its divisors is an integer number (1395463393044).

Almost surely, 220200221200011 is an apocalyptic number.

20200221200011 is a deficient number, since it is larger than the sum of its proper divisors (2127193088693).

20200221200011 is a wasteful number, since it uses less digits than its factorization.

20200221200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20859590.

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

Adding to 20200221200011 its reverse (11000212200202), we get a palindrome (31200433400213).

The spelling of 20200221200011 in words is "twenty trillion, two hundred billion, two hundred twenty-one million, two hundred thousand, eleven".

Divisors: 1 17 23 391 2477 42109 56971 968507 20857073 354570241 479712679 8155115543 51662969821 878270486957 1188248305883 20200221200011