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20088802103 = 41489970783
BaseRepresentation
bin10010101101011000…
…101100101100110111
31220212000121212211112
4102231120230230313
5312120213131403
613121220425235
71310551000106
oct225530545467
956760555745
1020088802103
118579672397
123a8784821b
131b81bca566
14d8800003d
157c895c9d8
hex4ad62cb37

20088802103 has 4 divisors (see below), whose sum is σ = 20578772928. Its totient is φ = 19598831280.

The previous prime is 20088802093. The next prime is 20088802121. The reversal of 20088802103 is 30120888002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20088802103 - 218 = 20088539959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20088802103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20088802603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244985351 + ... + 244985432.

It is an arithmetic number, because the mean of its divisors is an integer number (5144693232).

Almost surely, 220088802103 is an apocalyptic number.

20088802103 is a deficient number, since it is larger than the sum of its proper divisors (489970825).

20088802103 is an equidigital number, since it uses as much as digits as its factorization.

20088802103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489970824.

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 20088802103 in words is "twenty billion, eighty-eight million, eight hundred two thousand, one hundred three".

Divisors: 1 41 489970783 20088802103