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20020032303 = 317392549653
BaseRepresentation
bin10010101001010010…
…010111001100101111
31220200020020000101220
4102221102113030233
5312000112013203
613110322434423
71306054316055
oct225122271457
956606200356
1020020032303
118543871647
123a68802a13
131b7089c97b
14d7cc1c1d5
157c28c6653
hex4a949732f

20020032303 has 8 divisors (see below), whose sum is σ = 28263575088. Its totient is φ = 12561588864.

The previous prime is 20020032299. The next prime is 20020032313. The reversal of 20020032303 is 30323002002.

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

It is not a de Polignac number, because 20020032303 - 22 = 20020032299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020032313) 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, 196274776 + ... + 196274877.

It is an arithmetic number, because the mean of its divisors is an integer number (3532946886).

Almost surely, 220020032303 is an apocalyptic number.

20020032303 is a deficient number, since it is larger than the sum of its proper divisors (8243542785).

20020032303 is a wasteful number, since it uses less digits than its factorization.

20020032303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392549673.

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20020032303 its reverse (30323002002), we get a palindrome (50343034305).

The spelling of 20020032303 in words is "twenty billion, twenty million, thirty-two thousand, three hundred three".

Divisors: 1 3 17 51 392549653 1177648959 6673344101 20020032303