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14431122020 = 2257831241921
BaseRepresentation
bin11010111000010100…
…10111001001100100
31101020201200221210202
431130022113021210
5214023331401040
610343553010032
71020421341020
oct153412271144
941221627722
1014431122020
116135aa0627
122968b53918
13148ca29073
149ac85d380
15596de3015
hex35c297264

14431122020 has 48 divisors (see below), whose sum is σ = 35052006528. Its totient is φ = 4888197120.

The previous prime is 14431122011. The next prime is 14431122023. The reversal of 14431122020 is 2022113441.

It is a super-2 number, since 2×144311220202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14431121983 and 14431122001.

It is not an unprimeable number, because it can be changed into a prime (14431122023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609341 + ... + 632580.

It is an arithmetic number, because the mean of its divisors is an integer number (730250136).

Almost surely, 214431122020 is an apocalyptic number.

14431122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14431122020 is an abundant number, since it is smaller than the sum of its proper divisors (20620884508).

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

14431122020 is a wasteful number, since it uses less digits than its factorization.

14431122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242020 (or 1242018 counting only the distinct ones).

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

Adding to 14431122020 its reverse (2022113441), we get a palindrome (16453235461).

The spelling of 14431122020 in words is "fourteen billion, four hundred thirty-one million, one hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 83 140 166 332 415 581 830 1162 1660 2324 2905 5810 11620 1241921 2483842 4967684 6209605 8693447 12419210 17386894 24838420 34773788 43467235 86934470 103079443 173868940 206158886 412317772 515397215 721556101 1030794430 1443112202 2061588860 2886224404 3607780505 7215561010 14431122020