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10720516220 = 2252514574673
BaseRepresentation
bin10011111101111111…
…00001100001111100
31000200010112122120022
421332333201201330
5133423423004340
64531441511312
7526443612221
oct117677414174
930603478508
1010720516220
1146014a7567
1220b2342538
13101b060c2b
14739b1b948
1542b2843b5
hex27efe187c

10720516220 has 48 divisors (see below), whose sum is σ = 22657084128. Its totient is φ = 4260864000.

The previous prime is 10720516207. The next prime is 10720516229. The reversal of 10720516220 is 2261502701.

It is a super-2 number, since 2×107205162202 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10720516220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10720516229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2291804 + ... + 2296476.

It is an arithmetic number, because the mean of its divisors is an integer number (472022586).

Almost surely, 210720516220 is an apocalyptic number.

10720516220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10720516220 is an abundant number, since it is smaller than the sum of its proper divisors (11936567908).

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

10720516220 is a wasteful number, since it uses less digits than its factorization.

10720516220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390 (or 5388 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The spelling of 10720516220 in words is "ten billion, seven hundred twenty million, five hundred sixteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 251 457 502 914 1004 1255 1828 2285 2510 4570 4673 5020 9140 9346 18692 23365 46730 93460 114707 229414 458828 573535 1147070 1172923 2135561 2294140 2345846 4271122 4691692 5864615 8542244 10677805 11729230 21355610 23458460 42711220 536025811 1072051622 2144103244 2680129055 5360258110 10720516220