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20120220020211 = 3127283186604157
BaseRepresentation
bin1001001001100100110101…
…00100010010110111110011
32122020110210201122022010220
410210302122210102313303
510114122202311121321
6110443033530224123
74144431544233423
oct444623244226763
978213721568126
1020120220020211
116457a34739643
12230b524b85043
13b2c436c44a7c
144d7b768b8483
1524d58e2ec9c6
hex124c9a912df3

20120220020211 has 16 divisors (see below), whose sum is σ = 27133737406464. Its totient is φ = 13260837741984.

The previous prime is 20120220020141. The next prime is 20120220020233. The reversal of 20120220020211 is 11202002202102.

It is not a de Polignac number, because 20120220020211 - 227 = 20120085802483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120220020291) 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, 93194256 + ... + 93409901.

It is an arithmetic number, because the mean of its divisors is an integer number (1695858587904).

Almost surely, 220120220020211 is an apocalyptic number.

20120220020211 is a deficient number, since it is larger than the sum of its proper divisors (7013517386253).

20120220020211 is a wasteful number, since it uses less digits than its factorization.

20120220020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186604570.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20120220020211 its reverse (11202002202102), we get a palindrome (31322222222313).

The spelling of 20120220020211 in words is "twenty trillion, one hundred twenty billion, two hundred twenty million, twenty thousand, two hundred eleven".

Divisors: 1 3 127 283 381 849 35941 107823 186604157 559812471 23698727939 52808976431 71096183817 158426929293 6706740006737 20120220020211