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20204625874 = 259171225643
BaseRepresentation
bin10010110100010010…
…100001111111010010
31221011002120100011211
4102310102201333102
5312334341011444
613140515130334
71313455325536
oct226422417722
957132510154
1020204625874
118628a91514
123aba5a39aa
131b9cbc1634
14d9954dbc6
157d3bdac34
hex4b44a1fd2

20204625874 has 8 divisors (see below), whose sum is σ = 30820615920. Its totient is φ = 9931087236.

The previous prime is 20204625871. The next prime is 20204625893. The reversal of 20204625874 is 47852640202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20204625871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85612704 + ... + 85612939.

It is an arithmetic number, because the mean of its divisors is an integer number (3852576990).

Almost surely, 220204625874 is an apocalyptic number.

20204625874 is a deficient number, since it is larger than the sum of its proper divisors (10615990046).

20204625874 is a wasteful number, since it uses less digits than its factorization.

20204625874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171225704.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 20204625874 in words is "twenty billion, two hundred four million, six hundred twenty-five thousand, eight hundred seventy-four".

Divisors: 1 2 59 118 171225643 342451286 10102312937 20204625874