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20032112130 = 2352272941573
BaseRepresentation
bin10010101010000000…
…011100011000000010
31220201001221201210220
4102222000130120002
5312011210042010
613111433403510
71306262100162
oct225200343002
956631851726
1020032112130
11854a672378
123a70869596
131b7323c0b4
14d806845a2
157c39b0970
hex4aa01c602

20032112130 has 32 divisors (see below), whose sum is σ = 48288878784. Its totient is φ = 5318362176.

The previous prime is 20032112099. The next prime is 20032112137. The reversal of 20032112130 is 3121123002.

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

It is not an unprimeable number, because it can be changed into a prime (20032112137) 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 15 ways as a sum of consecutive naturals, for example, 1463977 + ... + 1477596.

It is an arithmetic number, because the mean of its divisors is an integer number (1509027462).

Almost surely, 220032112130 is an apocalyptic number.

20032112130 is an abundant number, since it is smaller than the sum of its proper divisors (28256766654).

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

20032112130 is a wasteful number, since it uses less digits than its factorization.

20032112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941810.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20032112130 its reverse (3121123002), we get a palindrome (23153235132).

The spelling of 20032112130 in words is "twenty billion, thirty-two million, one hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 227 454 681 1135 1362 2270 3405 6810 2941573 5883146 8824719 14707865 17649438 29415730 44123595 88247190 667737071 1335474142 2003211213 3338685355 4006422426 6677370710 10016056065 20032112130