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20010010210 = 2535915673557
BaseRepresentation
bin10010101000101100…
…001000011001100010
31220122112100211200021
4102220230020121202
5311440030311320
613105323544054
71305603165121
oct225054103142
956575324607
1020010010210
118539146923
123a6538b02a
131b6b7a1038
14d7b76dab8
157c1a96daa
hex4a8b08662

20010010210 has 32 divisors (see below), whose sum is σ = 36151557120. Its totient is φ = 7974372672.

The previous prime is 20010010199. The next prime is 20010010211. The reversal of 20010010210 is 1201001002.

It is a junction number, because it is equal to n+sod(n) for n = 20010010193 and 20010010202.

It is not an unprimeable number, because it can be changed into a prime (20010010211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5623752 + ... + 5627308.

It is an arithmetic number, because the mean of its divisors is an integer number (1129736160).

Almost surely, 220010010210 is an apocalyptic number.

20010010210 is a deficient number, since it is larger than the sum of its proper divisors (16141546910).

20010010210 is a wasteful number, since it uses less digits than its factorization.

20010010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20010010210 its reverse (1201001002), we get a palindrome (21211011212).

The spelling of 20010010210 in words is "twenty billion, ten million, ten thousand, two hundred ten".

Divisors: 1 2 5 10 359 718 1567 1795 3134 3557 3590 7114 7835 15670 17785 35570 562553 1125106 1276963 2553926 2812765 5573819 5625530 6384815 11147638 12769630 27869095 55738190 2001001021 4002002042 10005005105 20010010210