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20212112020202 = 2191466011135411
BaseRepresentation
bin1001001100001111111111…
…10000011101001011101010
32122120020222211122120022222
410212013333300131023222
510122123401134121302
6110553152134514042
74154163656320064
oct446077760351352
978506884576288
1020212112020202
1164929aa341293
1223252ab505922
13b37cbca2946b
144dc3b2b9a734
15250b6b806da2
hex1261ffc1d2ea

20212112020202 has 16 divisors (see below), whose sum is σ = 30477582733824. Its totient is φ = 10052920140000.

The previous prime is 20212112020201. The next prime is 20212112020213. The reversal of 20212112020202 is 20202021121202.

It is a happy number.

It is a super-2 number, since 2×202121120202022 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20212112020201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17233877 + ... + 18369287.

It is an arithmetic number, because the mean of its divisors is an integer number (1904848920864).

Almost surely, 220212112020202 is an apocalyptic number.

20212112020202 is a deficient number, since it is larger than the sum of its proper divisors (10265470713622).

20212112020202 is a wasteful number, since it uses less digits than its factorization.

20212112020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182205.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20212112020202 its reverse (20202021121202), we get a palindrome (40414133141404).

The spelling of 20212112020202 in words is "twenty trillion, two hundred twelve billion, one hundred twelve million, twenty thousand, two hundred two".

Divisors: 1 2 191 382 46601 93202 1135411 2270822 8900791 17801582 216863501 433727002 52911288011 105822576022 10106056010101 20212112020202