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20123023032201 = 319368479581119
BaseRepresentation
bin1001001001101010000011…
…01000111011111110001001
32122020202001002000001201210
410210311001220323332021
510114143422344012301
6110444220020403333
74144561161365145
oct444650150737611
978222032001653
1020123023032201
116459142993a81
12230bb87846549
13b2c792887c4b
144d7d60c84225
1524d6a542ead6
hex124d41a3bf89

20123023032201 has 16 divisors (see below), whose sum is σ = 28243608780800. Its totient is φ = 12708931457808.

The previous prime is 20123023032191. The next prime is 20123023032227. The reversal of 20123023032201 is 10223032032102.

It is a happy number.

It is not a de Polignac number, because 20123023032201 - 226 = 20122955923337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20123023036201) 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, 2690281 + ... + 6890838.

It is an arithmetic number, because the mean of its divisors is an integer number (1765225548800).

Almost surely, 220123023032201 is an apocalyptic number.

It is an amenable number.

20123023032201 is a deficient number, since it is larger than the sum of its proper divisors (8120585748599).

20123023032201 is a wasteful number, since it uses less digits than its factorization.

20123023032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9617988.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20123023032201 its reverse (10223032032102), we get a palindrome (30346055064303).

The spelling of 20123023032201 in words is "twenty trillion, one hundred twenty-three billion, twenty-three million, thirty-two thousand, two hundred one".

Divisors: 1 3 19 57 36847 110541 700093 2100279 9581119 28743357 182041261 546123783 353035491793 1059106475379 6707674344067 20123023032201