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20120220201022 = 2179745713349527
BaseRepresentation
bin1001001001100100110101…
…00100111111000000111110
32122020110210201222111011121
410210302122210333000332
510114122202332413042
6110443033534141154
74144431545615524
oct444623244770076
978213721874147
1020120220201022
116457a34852477
12230b5250517ba
13b2c436ca9166
144d7b76924314
1524d58e336367
hex124c9a93f03e

20120220201022 has 32 divisors (see below), whose sum is σ = 32355731596608. Its totient is φ = 9350221602816.

The previous prime is 20120220200893. The next prime is 20120220201089. The reversal of 20120220201022 is 22010202202102.

It is a super-2 number, since 2×201202202010222 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20120220200987 and 20120220201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5167578 + ... + 8181949.

It is an arithmetic number, because the mean of its divisors is an integer number (1011116612394).

Almost surely, 220120220201022 is an apocalyptic number.

20120220201022 is a deficient number, since it is larger than the sum of its proper divisors (12235511395586).

20120220201022 is a wasteful number, since it uses less digits than its factorization.

20120220201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13350100.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20120220201022 its reverse (22010202202102), we get a palindrome (42130422403124).

The spelling of 20120220201022 in words is "twenty trillion, one hundred twenty billion, two hundred twenty million, two hundred one thousand, twenty-two".

Divisors: 1 2 17 34 97 194 457 914 1649 3298 7769 15538 44329 88658 753593 1507186 13349527 26699054 226941959 453883918 1294904119 2589808238 6100733839 12201467678 22013370023 44026740046 103712475263 207424950526 591771182383 1183542364766 10060110100511 20120220201022