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20300001030320 = 24511139165958151
BaseRepresentation
bin1001001110110011101100…
…10110011011000010110000
32122212122211222022212201212
410213121312112123002300
510130043400230432240
6111101405225215252
74163424643505144
oct447316626330260
978778758285655
1020300001030320
1165172003a8440
12233a339331528
13b433883b35ab
1450274d58b224
152530b269a165
hex12767659b0b0

20300001030320 has 80 divisors (see below), whose sum is σ = 51858603336960. Its totient is φ = 7328711904000.

The previous prime is 20300001030301. The next prime is 20300001030329. The reversal of 20300001030320 is 2303010000302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 20300001030295 and 20300001030304.

It is not an unprimeable number, because it can be changed into a prime (20300001030329) 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, 82856756 + ... + 83101395.

It is an arithmetic number, because the mean of its divisors is an integer number (648232541712).

Almost surely, 220300001030320 is an apocalyptic number.

20300001030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300001030320 is an abundant number, since it is smaller than the sum of its proper divisors (31558602306640).

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

20300001030320 is a wasteful number, since it uses less digits than its factorization.

20300001030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165958314 (or 165958308 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20300001030320 its reverse (2303010000302), we get a palindrome (22603011030622).

The spelling of 20300001030320 in words is "twenty trillion, three hundred billion, one million, thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 139 176 220 278 440 556 695 880 1112 1390 1529 2224 2780 3058 5560 6116 7645 11120 12232 15290 24464 30580 61160 122320 165958151 331916302 663832604 829790755 1327665208 1659581510 1825539661 2655330416 3319163020 3651079322 6638326040 7302158644 9127698305 13276652080 14604317288 18255396610 23068182989 29208634576 36510793220 46136365978 73021586440 92272731956 115340914945 146043172880 184545463912 230681829890 253750012879 369090927824 461363659780 507500025758 922727319560 1015000051516 1268750064395 1845454639120 2030000103032 2537500128790 4060000206064 5075000257580 10150000515160 20300001030320