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20213012010 = 2357130730911
BaseRepresentation
bin10010110100110010…
…100001011000101010
31221011200100101210110
4102310302201120222
5312344012341020
613141414555150
71313616524112
oct226462413052
957150311713
1020213012010
11863279a104
123b01368ab6
131ba1869749
14d9a6d4042
157d47e58e0
hex4b4ca162a

20213012010 has 64 divisors (see below), whose sum is σ = 49356324864. Its totient is φ = 5296737600.

The previous prime is 20213011997. The next prime is 20213012023. The reversal of 20213012010 is 1021031202.

20213012010 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (20213011997) and next prime (20213012023).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638455 + ... + 669365.

It is an arithmetic number, because the mean of its divisors is an integer number (771192576).

Almost surely, 220213012010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20213012010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24678162432).

20213012010 is an abundant number, since it is smaller than the sum of its proper divisors (29143312854).

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

20213012010 is a wasteful number, since it uses less digits than its factorization.

20213012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31299.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20213012010 its reverse (1021031202), we get a palindrome (21234043212).

The spelling of 20213012010 in words is "twenty billion, two hundred thirteen million, twelve thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 307 355 426 614 710 921 1065 1535 1842 2130 3070 4605 9210 21797 30911 43594 61822 65391 92733 108985 130782 154555 185466 217970 309110 326955 463665 653910 927330 2194681 4389362 6584043 9489677 10973405 13168086 18979354 21946810 28469031 32920215 47448385 56938062 65840430 94896770 142345155 284690310 673767067 1347534134 2021301201 3368835335 4042602402 6737670670 10106506005 20213012010