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20010002210000 = 245411181909111
BaseRepresentation
bin1001000110010111100010…
…00100101101110011010000
32121211221022110101102022222
410203023301010231303100
510110320441031210000
6110320245040120212
74133450336266655
oct443136104556320
977757273342288
1020010002210000
1164152156514a0
1222b20a5306068
13b21c205960aa
144d26bc7d7c2c
1524a78d02da85
hex1232f112dcd0

20010002210000 has 100 divisors (see below), whose sum is σ = 52850418127584. Its totient is φ = 7276364400000.

The previous prime is 20010002209979. The next prime is 20010002210041. The reversal of 20010002210000 is 1220001002.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20010002210000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90844556 + ... + 91064555.

Almost surely, 220010002210000 is an apocalyptic number.

20010002210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010002210000 is an abundant number, since it is smaller than the sum of its proper divisors (32840415917584).

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

20010002210000 is a wasteful number, since it uses less digits than its factorization.

20010002210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181909150 (or 181909129 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20010002210000 its reverse (1220001002), we get a palindrome (20011222211002).

The spelling of 20010002210000 in words is "twenty trillion, ten billion, two million, two hundred ten thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 625 880 1000 1100 1250 1375 2000 2200 2500 2750 4400 5000 5500 6875 10000 11000 13750 22000 27500 55000 110000 181909111 363818222 727636444 909545555 1455272888 1819091110 2001000221 2910545776 3638182220 4002000442 4547727775 7276364440 8004000884 9095455550 10005001105 14552728880 16008001768 18190911100 20010002210 22738638875 32016003536 36381822200 40020004420 45477277750 50025005525 72763644400 80040008840 90954555500 100050011050 113693194375 160080017680 181909111000 200100022100 227386388750 250125027625 363818222000 400200044200 454772777500 500250055250 800400088400 909545555000 1000500110500 1250625138125 1819091110000 2001000221000 2501250276250 4002000442000 5002500552500 10005001105000 20010002210000