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20024130030 = 235667471001
BaseRepresentation
bin10010101001100001…
…111111100111101110
31220200111221012102120
4102221201333213232
5312002134130110
613110550333410
71306134203562
oct225141774756
956614835376
1020024130030
1185461102a3
123a6a05a266
131b716a5b68
14d7d5a76a2
157c2e35870
hex4a987f9ee

20024130030 has 16 divisors (see below), whose sum is σ = 48057912144. Its totient is φ = 5339768000.

The previous prime is 20024130019. The next prime is 20024130037. The reversal of 20024130030 is 3003142002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 20024129991 and 20024130009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024130037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333735471 + ... + 333735530.

It is an arithmetic number, because the mean of its divisors is an integer number (3003619509).

Almost surely, 220024130030 is an apocalyptic number.

20024130030 is an abundant number, since it is smaller than the sum of its proper divisors (28033782114).

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

20024130030 is a wasteful number, since it uses less digits than its factorization.

20024130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667471011.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20024130030 its reverse (3003142002), we get a palindrome (23027272032).

The spelling of 20024130030 in words is "twenty billion, twenty-four million, one hundred thirty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 667471001 1334942002 2002413003 3337355005 4004826006 6674710010 10012065015 20024130030