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20020100003 = 432767168263
BaseRepresentation
bin10010101001010010…
…100111101110100011
31220200020100110021022
4102221102213232203
5312000121200003
613110324120055
71306055020331
oct225122475643
956606313238
1020020100003
1185439084a2
123a6883602b
131b708c4727
14d7cc38b51
157c28db738
hex4a94a7ba3

20020100003 has 8 divisors (see below), whose sum is σ = 20493209088. Its totient is φ = 19547333064.

The previous prime is 20020099991. The next prime is 20020100027. The reversal of 20020100003 is 30000102002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20020100003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020100603) 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, 34850 + ... + 203112.

It is an arithmetic number, because the mean of its divisors is an integer number (2561651136).

Almost surely, 220020100003 is an apocalyptic number.

20020100003 is a deficient number, since it is larger than the sum of its proper divisors (473109085).

20020100003 is a wasteful number, since it uses less digits than its factorization.

20020100003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171073.

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 20020100003 its reverse (30000102002), we get a palindrome (50020202005).

The spelling of 20020100003 in words is "twenty billion, twenty million, one hundred thousand, three".

Divisors: 1 43 2767 118981 168263 7235309 465583721 20020100003