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20001202201210 = 256919128907231
BaseRepresentation
bin1001000110000111001001…
…00011010110001001111010
32121211002121011121122200111
410203003210203112021322
510110144430230414320
6110312231521254534
74133016302405446
oct443034443261172
977732534548614
1020001202201210
11641150a23765a
1222b044a19444a
13b2114a3990b9
144d20c5ba1826
1524a4256a8a5a
hex1230e48d627a

20001202201210 has 16 divisors (see below), whose sum is σ = 36002685537792. Its totient is φ = 8000364974800.

The previous prime is 20001202201199. The next prime is 20001202201213. The reversal of 20001202201210 is 1210220210002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20001202201213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13761706 + ... + 15145525.

It is an arithmetic number, because the mean of its divisors is an integer number (2250167846112).

Almost surely, 220001202201210 is an apocalyptic number.

20001202201210 is a deficient number, since it is larger than the sum of its proper divisors (16001483336582).

20001202201210 is a wasteful number, since it uses less digits than its factorization.

20001202201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28976429.

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

Adding to 20001202201210 its reverse (1210220210002), we get a palindrome (21211422411212).

The spelling of 20001202201210 in words is "twenty trillion, one billion, two hundred two million, two hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 69191 138382 345955 691910 28907231 57814462 144536155 289072310 2000120220121 4000240440242 10000601100605 20001202201210