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20021012033010 = 235953700280239
BaseRepresentation
bin1001000110101100000010…
…10011110110110111110010
32121212222201202022101012120
410203112001103312313302
510111011013040024020
6110325305334535110
74134320225244222
oct443260123666762
977788652271176
1020021012033010
11641995538947a
1222b4258507496
13b22c8654c871
144d3044b04082
1524abd48ad740
hex1235814f6df2

20021012033010 has 32 divisors (see below), whose sum is σ = 48100849125120. Its totient is φ = 5333334292608.

The previous prime is 20021012032997. The next prime is 20021012033017. The reversal of 20021012033010 is 1033021012002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20021012033017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350111530 + ... + 350168709.

It is an arithmetic number, because the mean of its divisors is an integer number (1503151535160).

Almost surely, 220021012033010 is an apocalyptic number.

20021012033010 is an abundant number, since it is smaller than the sum of its proper divisors (28079837092110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021012033010 is a wasteful number, since it uses less digits than its factorization.

20021012033010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700281202.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20021012033010 its reverse (1033021012002), we get a palindrome (21054033045012).

The spelling of 20021012033010 in words is "twenty trillion, twenty-one billion, twelve million, thirty-three thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 953 1906 2859 4765 5718 9530 14295 28590 700280239 1400560478 2100840717 3501401195 4201681434 7002802390 10504203585 21008407170 667367067767 1334734135534 2002101203301 3336835338835 4004202406602 6673670677670 10010506016505 20021012033010