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20114420 = 2252373599
BaseRepresentation
bin100110010111…
…0101111110100
31101211220210112
41030232233310
520122130140
61555042152
7332653424
oct114565764
941756715
1020114420
1110399297
1268a0358
134223531
142958484
151b74c65
hex132ebf4

20114420 has 48 divisors (see below), whose sum is σ = 44755200. Its totient is φ = 7577856.

The previous prime is 20114399. The next prime is 20114447. The reversal of 20114420 is 2441102.

It is a junction number, because it is equal to n+sod(n) for n = 20114395 and 20114404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33281 + ... + 33879.

It is an arithmetic number, because the mean of its divisors is an integer number (932400).

Almost surely, 220114420 is an apocalyptic number.

20114420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20114420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22377600).

20114420 is an abundant number, since it is smaller than the sum of its proper divisors (24640780).

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

20114420 is a wasteful number, since it uses less digits than its factorization.

20114420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20114420 is about 4484.9102555124. The cubic root of 20114420 is about 271.9584170861.

Adding to 20114420 its reverse (2441102), we get a palindrome (22555522).

The spelling of 20114420 in words is "twenty million, one hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 73 92 115 146 230 292 365 460 599 730 1198 1460 1679 2396 2995 3358 5990 6716 8395 11980 13777 16790 27554 33580 43727 55108 68885 87454 137770 174908 218635 275540 437270 874540 1005721 2011442 4022884 5028605 10057210 20114420