Search a number
-
+
20413413220 = 2254353447859
BaseRepresentation
bin10011000000101110…
…111111011101100100
31221200122102211120111
4103000232333131210
5313301313210340
613213334142404
71321602102154
oct230056773544
957618384514
1020413413220
118725926542
123b584b1a04
131c04234545
14db917c764
157e71cdaea
hex4c0bbf764

20413413220 has 48 divisors (see below), whose sum is σ = 44692845120. Its totient is φ = 7824974976.

The previous prime is 20413413193. The next prime is 20413413247. The reversal of 20413413220 is 2231431402.

It is an interprime number because it is at equal distance from previous prime (20413413193) and next prime (20413413247).

It is a super-3 number, since 3×204134132203 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20413413191 and 20413413200.

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 15 ways as a sum of consecutive naturals, for example, 178350 + ... + 269509.

It is an arithmetic number, because the mean of its divisors is an integer number (931100940).

Almost surely, 220413413220 is an apocalyptic number.

20413413220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20413413220 is an abundant number, since it is smaller than the sum of its proper divisors (24279431900).

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

20413413220 is a wasteful number, since it uses less digits than its factorization.

20413413220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447964 (or 447962 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20413413220 its reverse (2231431402), we get a palindrome (22644844622).

The spelling of 20413413220 in words is "twenty billion, four hundred thirteen million, four hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 53 86 106 172 212 215 265 430 530 860 1060 2279 4558 9116 11395 22790 45580 447859 895718 1791436 2239295 4478590 8957180 19257937 23736527 38515874 47473054 77031748 94946108 96289685 118682635 192579370 237365270 385158740 474730540 1020670661 2041341322 4082682644 5103353305 10206706610 20413413220