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20020100222012 = 22111750515298919
BaseRepresentation
bin1001000110101010010101…
…11101100100110000111100
32121212220101012120120122212
410203111022331210300330
510111002131124101022
6110325035043355552
74134255514054142
oct443251275446074
977786335516585
1020020100222012
11641952771a370
1222b4043082bb8
13b22b6c67c227
144d2d99991592
1524ab7e7ec3e2
hex12354af64c3c

20020100222012 has 48 divisors (see below), whose sum is σ = 40476457486080. Its totient is φ = 8563051488000.

The previous prime is 20020100222009. The next prime is 20020100222027. The reversal of 20020100222012 is 21022200102002.

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, 1128689 + ... + 6427607.

It is an arithmetic number, because the mean of its divisors is an integer number (843259530960).

Almost surely, 220020100222012 is an apocalyptic number.

20020100222012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20020100222012 is an abundant number, since it is smaller than the sum of its proper divisors (20456357264068).

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

20020100222012 is a wasteful number, since it uses less digits than its factorization.

20020100222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304002 (or 5304000 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20020100222012 its reverse (21022200102002), we get a palindrome (41042300324014).

The spelling of 20020100222012 in words is "twenty trillion, twenty billion, one hundred million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 5051 10102 20204 55561 85867 111122 171734 222244 343468 944537 1889074 3778148 5298919 10597838 21195676 58288109 90081623 116576218 180163246 233152436 360326492 990897853 1981795706 3963591412 26764839869 53529679738 107059359476 294413238559 455002277773 588826477118 910004555546 1177652954236 1820009111092 5005025055503 10010050111006 20020100222012