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20112211010202 = 2337308692934839
BaseRepresentation
bin1001001001010101111010…
…01100010110001010011010
32122012201010120021102211120
410210222331030112022122
510114004302004311302
6110435231105310110
74144026223616133
oct444527514261232
978181116242746
1020112211010202
1164545a4877903
122309a6a935336
13b2b75b8988ac
144d7616d46c8a
1524d2711229bc
hex124abd31629a

20112211010202 has 32 divisors (see below), whose sum is σ = 41312920924800. Its totient is φ = 6522665715648.

The previous prime is 20112211010141. The next prime is 20112211010207. The reversal of 20112211010202 is 20201011221102.

It is not an unprimeable number, because it can be changed into a prime (20112211010207) 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, 5385499 + ... + 8320337.

It is an arithmetic number, because the mean of its divisors is an integer number (1291028778900).

Almost surely, 220112211010202 is an apocalyptic number.

20112211010202 is an abundant number, since it is smaller than the sum of its proper divisors (21200709914598).

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

20112211010202 is a wasteful number, since it uses less digits than its factorization.

20112211010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965750.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20112211010202 its reverse (20201011221102), we get a palindrome (40313222231304).

The spelling of 20112211010202 in words is "twenty trillion, one hundred twelve billion, two hundred eleven million, ten thousand, two hundred two".

Divisors: 1 2 3 6 37 74 111 222 30869 61738 92607 185214 1142153 2284306 2934839 3426459 5869678 6852918 8804517 17609034 108589043 217178086 325767129 651534258 90595545091 181191090182 271786635273 543573270546 3352035168367 6704070336734 10056105505101 20112211010202