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20020000210 = 257487587269
BaseRepresentation
bin10010101001010010…
…001111010111010010
31220200020011101101021
4102221102033113102
5312000110001320
613110322030054
71306054123360
oct225122172722
956606141337
1020020000210
11854384a521
123a687a832a
131b7088b192
14d7cc10630
157c28bbdaa
hex4a948f5d2

20020000210 has 32 divisors (see below), whose sum is σ = 41268637440. Its totient is φ = 6849893952.

The previous prime is 20020000151. The next prime is 20020000211. The reversal of 20020000210 is 1200002002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 20020000193 and 20020000202.

It is not an unprimeable number, because it can be changed into a prime (20020000211) 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 15 ways as a sum of consecutive naturals, for example, 259545 + ... + 327724.

It is an arithmetic number, because the mean of its divisors is an integer number (1289644920).

Almost surely, 220020000210 is an apocalyptic number.

20020000210 is an abundant number, since it is smaller than the sum of its proper divisors (21248637230).

20020000210 is a wasteful number, since it uses less digits than its factorization.

20020000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587770.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20020000210 its reverse (1200002002), we get a palindrome (21220002212).

The spelling of 20020000210 in words is "twenty billion, twenty million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 35 70 487 974 2435 3409 4870 6818 17045 34090 587269 1174538 2936345 4110883 5872690 8221766 20554415 41108830 286000003 572000006 1430000015 2002000021 2860000030 4004000042 10010000105 20020000210