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20414224140 = 22351093121441
BaseRepresentation
bin10011000000110010…
…000101011100001100
31221200200222000221120
4103000302011130030
5313302020133030
613213403400540
71321612020312
oct230062053414
957620860846
1020414224140
11872632a822
123b58823150
131c0445968b
14db93100b2
157e72de010
hex4c0c8570c

20414224140 has 48 divisors (see below), whose sum is σ = 57684248160. Its totient is φ = 5393848320.

The previous prime is 20414224139. The next prime is 20414224151. The reversal of 20414224140 is 4142241402.

It is a self number, because there is not a number n which added to its sum of digits gives 20414224140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554181 + ... + 1567260.

It is an arithmetic number, because the mean of its divisors is an integer number (1201755170).

Almost surely, 220414224140 is an apocalyptic number.

20414224140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20414224140 is an abundant number, since it is smaller than the sum of its proper divisors (37270024020).

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

20414224140 is a wasteful number, since it uses less digits than its factorization.

20414224140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121562 (or 3121560 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20414224140 its reverse (4142241402), we get a palindrome (24556465542).

The spelling of 20414224140 in words is "twenty billion, four hundred fourteen million, two hundred twenty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 6540 3121441 6242882 9364323 12485764 15607205 18728646 31214410 37457292 46821615 62428820 93643230 187286460 340237069 680474138 1020711207 1360948276 1701185345 2041422414 3402370690 4082844828 5103556035 6804741380 10207112070 20414224140