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20020013210 = 2557711712963
BaseRepresentation
bin10010101001010010…
…010010100010011010
31220200020012001012202
4102221102102202122
5312000110410320
613110322210202
71306054206311
oct225122224232
956606161182
1020020013210
11854385926a
123a687b3962
131b70894082
14d7cc15278
157c28c0b75
hex4a949289a

20020013210 has 32 divisors (see below), whose sum is σ = 36141498432. Its totient is φ = 7984604160.

The previous prime is 20020013203. The next prime is 20020013227. The reversal of 20020013210 is 1231002002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20020013191 and 20020013200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6755189 + ... + 6758151.

It is an arithmetic number, because the mean of its divisors is an integer number (1129421826).

Almost surely, 220020013210 is an apocalyptic number.

20020013210 is a deficient number, since it is larger than the sum of its proper divisors (16121485222).

20020013210 is a wasteful number, since it uses less digits than its factorization.

20020013210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20020013210 its reverse (1231002002), we get a palindrome (21251015212).

The spelling of 20020013210 in words is "twenty billion, twenty million, thirteen thousand, two hundred ten".

Divisors: 1 2 5 10 577 1154 1171 2342 2885 2963 5770 5855 5926 11710 14815 29630 675667 1351334 1709651 3378335 3419302 3469673 6756670 6939346 8548255 17096510 17348365 34696730 2002001321 4004002642 10010006605 20020013210