Search a number
-
+
20089420874 = 219152590107
BaseRepresentation
bin10010101101011011…
…000011110001001010
31220212001210022121222
4102231123003301022
5312120342431444
613121242002042
71310556155105
oct225533036112
956761708558
1020089420874
118579a55276
123a87aa6322
131b820860b3
14d8812173c
157c8a30eee
hex4ad6c3c4a

20089420874 has 8 divisors (see below), whose sum is σ = 30291902208. Its totient is φ = 9992120140.

The previous prime is 20089420873. The next prime is 20089420891. The reversal of 20089420874 is 47802498002.

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

It is not an unprimeable number, because it can be changed into a prime (20089420873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26294672 + ... + 26295435.

It is an arithmetic number, because the mean of its divisors is an integer number (3786487776).

Almost surely, 220089420874 is an apocalyptic number.

20089420874 is a deficient number, since it is larger than the sum of its proper divisors (10202481334).

20089420874 is a wasteful number, since it uses less digits than its factorization.

20089420874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52590300.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 20089420874 in words is "twenty billion, eighty-nine million, four hundred twenty thousand, eight hundred seventy-four".

Divisors: 1 2 191 382 52590107 105180214 10044710437 20089420874