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20020003203 = 328123748521
BaseRepresentation
bin10010101001010010…
…010000000110000011
31220200020011112111010
4102221102100012003
5312000110100303
613110322052003
71306054135164
oct225122200603
956606145433
1020020003203
1185438517a2
123a687aa003
131b7088c655
14d7cc1176b
157c28bcc03
hex4a9490183

20020003203 has 8 divisors (see below), whose sum is σ = 26788332816. Its totient is φ = 13299171200.

The previous prime is 20020003193. The next prime is 20020003247. The reversal of 20020003203 is 30230002002.

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

It is a cyclic number.

It is not a de Polignac number, because 20020003203 - 216 = 20019937667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020003603) 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, 11873418 + ... + 11875103.

It is an arithmetic number, because the mean of its divisors is an integer number (3348541602).

Almost surely, 220020003203 is an apocalyptic number.

20020003203 is a deficient number, since it is larger than the sum of its proper divisors (6768329613).

20020003203 is a wasteful number, since it uses less digits than its factorization.

20020003203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23748805.

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 20020003203 its reverse (30230002002), we get a palindrome (50250005205).

The spelling of 20020003203 in words is "twenty billion, twenty million, three thousand, two hundred three".

Divisors: 1 3 281 843 23748521 71245563 6673334401 20020003203