Search a number
-
+
20625008334 = 23723912771609
BaseRepresentation
bin10011001101010110…
…001010011011001110
31222020101120222111120
4103031112022123032
5314220000231314
613250333301410
71330051451430
oct231526123316
958211528446
1020625008334
118824309037
123bb7334866
131c3901b458
14dd92dc650
1580aa788a9
hex4cd58a6ce

20625008334 has 64 divisors (see below), whose sum is σ = 47406643200. Its totient is φ = 5859963648.

The previous prime is 20625008329. The next prime is 20625008359. The reversal of 20625008334 is 43380052602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20625008295 and 20625008304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12817722 + ... + 12819330.

It is an arithmetic number, because the mean of its divisors is an integer number (740728800).

Almost surely, 220625008334 is an apocalyptic number.

20625008334 is an abundant number, since it is smaller than the sum of its proper divisors (26781634866).

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

20625008334 is a wasteful number, since it uses less digits than its factorization.

20625008334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 20625008334 in words is "twenty billion, six hundred twenty-five million, eight thousand, three hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 239 478 717 1277 1434 1609 1673 2554 3218 3346 3831 4827 5019 7662 8939 9654 10038 11263 17878 22526 26817 33789 53634 67578 305203 384551 610406 769102 915609 1153653 1831218 2054693 2136421 2307306 2691857 4109386 4272842 5383714 6164079 6409263 8075571 12328158 12818526 14382851 16151142 28765702 43148553 86297106 491071627 982143254 1473214881 2946429762 3437501389 6875002778 10312504167 20625008334