Search a number
-
+
20002112010 = 2325362361343
BaseRepresentation
bin10010101000001110…
…000000001000001010
31220121222111120101100
4102220032000020022
5311431020041020
613104442402230
71305446101236
oct225016001012
956558446340
1020002112010
118534741891
123a62800376
131b69c6704a
14d7a6b55c6
157c1036a90
hex4a838020a

20002112010 has 48 divisors (see below), whose sum is σ = 52020693504. Its totient is φ = 5332337376.

The previous prime is 20002111999. The next prime is 20002112017. The reversal of 20002112010 is 1021120002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20002111983 and 20002112001.

It is not an unprimeable number, because it can be changed into a prime (20002112017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295399 + ... + 356741.

It is an arithmetic number, because the mean of its divisors is an integer number (1083764448).

Almost surely, 220002112010 is an apocalyptic number.

20002112010 is an abundant number, since it is smaller than the sum of its proper divisors (32018581494).

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

20002112010 is a wasteful number, since it uses less digits than its factorization.

20002112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64979 (or 64976 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20002112010 its reverse (1021120002), we get a palindrome (21023232012).

The spelling of 20002112010 in words is "twenty billion, two million, one hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3623 7246 10869 18115 21738 32607 36230 54345 61343 65214 108690 122686 163035 184029 306715 326070 368058 552087 613430 920145 1104174 1840290 2760435 5520870 222245689 444491378 666737067 1111228445 1333474134 2000211201 2222456890 3333685335 4000422402 6667370670 10001056005 20002112010