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20612146335 = 3511479532789
BaseRepresentation
bin10011001100100101…
…000110010010011111
31222012111101112011020
4103030211012102133
5314203202140320
613245153455223
71326534232044
oct231445062237
958174345136
1020612146335
118818023690
123bb2b71513
131c36466cc1
14dd77111cb
15809887940
hex4cc94649f

20612146335 has 64 divisors (see below), whose sum is σ = 36794787840. Its totient is φ = 9767367680.

The previous prime is 20612146301. The next prime is 20612146361. The reversal of 20612146335 is 53364121602.

It is not a de Polignac number, because 20612146335 - 213 = 20612138143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 20612146296 and 20612146305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7389121 + ... + 7391909.

It is an arithmetic number, because the mean of its divisors is an integer number (574918560).

Almost surely, 220612146335 is an apocalyptic number.

20612146335 is a deficient number, since it is larger than the sum of its proper divisors (16182641505).

20612146335 is a wasteful number, since it uses less digits than its factorization.

20612146335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 20612146335 its reverse (53364121602), we get a palindrome (73976267937).

The spelling of 20612146335 in words is "twenty billion, six hundred twelve million, one hundred forty-six thousand, three hundred thirty-five".

Divisors: 1 3 5 11 15 33 47 55 141 165 235 517 705 953 1551 2585 2789 2859 4765 7755 8367 10483 13945 14295 30679 31449 41835 44791 52415 92037 131083 134373 153395 157245 223955 393249 460185 492701 655415 671865 1441913 1478103 1966245 2463505 2657917 4325739 7209565 7390515 7973751 13289585 21628695 29237087 39868755 87711261 124922099 146185435 374766297 438556305 624610495 1374143089 1873831485 4122429267 6870715445 20612146335