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20122021102002 = 2319198317862139
BaseRepresentation
bin1001001001101000001011…
…11010111000000110110010
32122020122110020200201212220
410210310011322320012302
510114134344400231002
6110443532345501510
74144524304204641
oct444640572700662
978218406621786
1020122021102002
116458779371a96
12230b9481a1896
13b2c663123341
144d7ca7b93358
1524d6474bb7bc
hex124d05eb81b2

20122021102002 has 32 divisors (see below), whose sum is σ = 40495900631040. Its totient is φ = 6665435416080.

The previous prime is 20122021101979. The next prime is 20122021102039. The reversal of 20122021102002 is 20020112022102.

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, 7804552 + ... + 10057587.

It is an arithmetic number, because the mean of its divisors is an integer number (1265496894720).

Almost surely, 220122021102002 is an apocalyptic number.

20122021102002 is an abundant number, since it is smaller than the sum of its proper divisors (20373879529038).

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

20122021102002 is a wasteful number, since it uses less digits than its factorization.

20122021102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17863318.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20122021102002 its reverse (20020112022102), we get a palindrome (40142133124104).

The spelling of 20122021102002 in words is "twenty trillion, one hundred twenty-two billion, twenty-one million, one hundred two thousand, two".

Divisors: 1 2 3 6 191 382 573 983 1146 1966 2949 5898 187753 375506 563259 1126518 17862139 35724278 53586417 107172834 3411668549 6823337098 10235005647 17558482637 20470011294 35116965274 52675447911 105350895822 3353670183667 6707340367334 10061010551001 20122021102002