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20960825460 = 22351931593119
BaseRepresentation
bin10011100001010111…
…001101000001110100
32000002210111020222220
4103201113031001310
5320411432403320
613343531122340
71341300035211
oct234127150164
960083436886
1020960825460
118986926453
12408b8a33b0
131c90779c03
14102bb56b08
1582a2aee40
hex4e15cd074

20960825460 has 96 divisors (see below), whose sum is σ = 63772262400. Its totient is φ = 5124539520.

The previous prime is 20960825449. The next prime is 20960825471. The reversal of 20960825460 is 6452806902.

It is an interprime number because it is at equal distance from previous prime (20960825449) and next prime (20960825471).

It is a congruent number.

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, 261220 + ... + 331899.

It is an arithmetic number, because the mean of its divisors is an integer number (664294400).

Almost surely, 220960825460 is an apocalyptic number.

20960825460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20960825460 is an abundant number, since it is smaller than the sum of its proper divisors (42811436940).

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

20960825460 is a wasteful number, since it uses less digits than its factorization.

20960825460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593181 (or 593179 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 20960825460 in words is "twenty billion, nine hundred sixty million, eight hundred twenty-five thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 31 38 57 60 62 76 93 95 114 124 155 186 190 228 285 310 372 380 465 570 589 620 930 1140 1178 1767 1860 2356 2945 3534 5890 7068 8835 11780 17670 35340 593119 1186238 1779357 2372476 2965595 3558714 5931190 7117428 8896785 11269261 11862380 17793570 18386689 22538522 33807783 35587140 36773378 45077044 55160067 56346305 67615566 73546756 91933445 110320134 112692610 135231132 169038915 183866890 220640268 225385220 275800335 338077830 349347091 367733780 551600670 676155660 698694182 1048041273 1103201340 1397388364 1746735455 2096082546 3493470910 4192165092 5240206365 6986941820 10480412730 20960825460