Search a number
-
+
20441431010 = 257111319234673
BaseRepresentation
bin10011000010011001…
…110111101111100010
31221202121011021202102
4103002121313233202
5313331001243020
613220214450402
71322362203530
oct230231675742
957677137672
1020441431010
11873a722740
123b65963a02
131c09c94210
14dbcb93150
157e98b5475
hex4c2677be2

20441431010 has 256 divisors, whose sum is σ = 54275235840. Its totient is φ = 5328322560.

The previous prime is 20441431001. The next prime is 20441431027. The reversal of 20441431010 is 1013414402.

It is a Curzon number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 4372034 + ... + 4376706.

It is an arithmetic number, because the mean of its divisors is an integer number (212012640).

Almost surely, 220441431010 is an apocalyptic number.

20441431010 is an abundant number, since it is smaller than the sum of its proper divisors (33833804830).

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

20441431010 is a wasteful number, since it uses less digits than its factorization.

20441431010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20441431010 its reverse (1013414402), we get a palindrome (21454845412).

The spelling of 20441431010 in words is "twenty billion, four hundred forty-one million, four hundred thirty-one thousand, ten".