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20000211012021 = 323642745100067
BaseRepresentation
bin1001000110000101010010…
…11110010000100110110101
32121211000001002112000201210
410203002221132100212311
510110140413004341041
6110311545312512033
74132652605422162
oct443025136204665
977730032460653
1020000211012021
116411050791539
1222b021224b619
13b2101cc25416
144d20302a9069
1524a3b8668016
hex1230a97909b5

20000211012021 has 16 divisors (see below), whose sum is σ = 27830710761984. Its totient is φ = 12751773061104.

The previous prime is 20000211012011. The next prime is 20000211012043. The reversal of 20000211012021 is 12021011200002.

It is not a de Polignac number, because 20000211012021 - 214 = 20000210995637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000211011988 and 20000211012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000211012011) 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, 22106571 + ... + 22993496.

It is an arithmetic number, because the mean of its divisors is an integer number (1739419422624).

Almost surely, 220000211012021 is an apocalyptic number.

It is an amenable number.

20000211012021 is a deficient number, since it is larger than the sum of its proper divisors (7830499749963).

20000211012021 is a wasteful number, since it uses less digits than its factorization.

20000211012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45106520.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20000211012021 its reverse (12021011200002), we get a palindrome (32021222212023).

The spelling of 20000211012021 in words is "twenty trillion, two hundred eleven million, twelve thousand, twenty-one".

Divisors: 1 3 23 69 6427 19281 147821 443463 45100067 135300201 1037301541 3111904623 289858130609 869574391827 6666737004007 20000211012021