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20124301 = 31243487
BaseRepresentation
bin100110011000…
…1001010001101
31101212102100111
41030301022031
520122434201
61555200021
7333024301
oct114611215
941772314
1020124301
11103a575a
1268a6011
134227b92
14295bd01
151b77b51
hex133128d

20124301 has 12 divisors (see below), whose sum is σ = 21321696. Its totient is φ = 18983160.

The previous prime is 20124271. The next prime is 20124323. The reversal of 20124301 is 10342102.

It is not a de Polignac number, because 20124301 - 219 = 19600013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41080 + ... + 41566.

It is an arithmetic number, because the mean of its divisors is an integer number (1776808).

Almost surely, 220124301 is an apocalyptic number.

It is an amenable number.

20124301 is a deficient number, since it is larger than the sum of its proper divisors (1197395).

20124301 is an equidigital number, since it uses as much as digits as its factorization.

20124301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20124301 is about 4486.0117030610. The cubic root of 20124301 is about 272.0029420457.

Adding to 20124301 its reverse (10342102), we get a palindrome (30466403).

The spelling of 20124301 in words is "twenty million, one hundred twenty-four thousand, three hundred one".

Divisors: 1 31 43 487 961 1333 15097 20941 41323 468007 649171 20124301