Search a number
-
+
20004220110 = 23572171942131
BaseRepresentation
bin10010101000010110…
…000010110011001110
31220122010110200011010
4102220112002303032
5311432040020420
613104555510050
71305503031300
oct225026026316
956563420133
1020004220110
118535951716
123a63458326
131b6a524744
14d7aaa3970
157c13014e0
hex4a8582cce

20004220110 has 192 divisors, whose sum is σ = 62247502080. Its totient is φ = 4076835840.

The previous prime is 20004220069. The next prime is 20004220111. The reversal of 20004220110 is 1102240002.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004220111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 453745 + ... + 495875.

It is an arithmetic number, because the mean of its divisors is an integer number (324205740).

Almost surely, 220004220110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20004220110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31123751040).

20004220110 is an abundant number, since it is smaller than the sum of its proper divisors (42243281970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20004220110 is a wasteful number, since it uses less digits than its factorization.

20004220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42191 (or 42184 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20004220110 its reverse (1102240002), we get a palindrome (21106460112).

The spelling of 20004220110 in words is "twenty billion, four million, two hundred twenty thousand, one hundred ten".