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20020211220102 = 2329127905973899
BaseRepresentation
bin1001000110101010100011…
…00100111111111010000110
32121212220122221102212102020
410203111101210333322012
510111002343033020402
6110325054050424010
74134261332403552
oct443252144777206
977786587385366
1020020211220102
116419584342925
1222b4074292006
13b22b89673982
144d2daa606862
1524ab894258bc
hex12355193fe86

20020211220102 has 32 divisors (see below), whose sum is σ = 41747277312000. Its totient is φ = 6392551824288.

The previous prime is 20020211220101. The next prime is 20020211220133. The reversal of 20020211220102 is 20102211202002.

It is a super-2 number, since 2×200202112201022 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020211220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452964852 + ... + 453009047.

It is an arithmetic number, because the mean of its divisors is an integer number (1304602416000).

Almost surely, 220020211220102 is an apocalyptic number.

20020211220102 is an abundant number, since it is smaller than the sum of its proper divisors (21727066091898).

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

20020211220102 is a wasteful number, since it uses less digits than its factorization.

20020211220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905974060.

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

Adding to 20020211220102 its reverse (20102211202002), we get a palindrome (40122422422104).

The spelling of 20020211220102 in words is "twenty trillion, twenty billion, two hundred eleven million, two hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 29 58 87 127 174 254 381 762 3683 7366 11049 22098 905973899 1811947798 2717921697 5435843394 26273243071 52546486142 78819729213 115058685173 157639458426 230117370346 345176055519 690352111038 3336701870017 6673403740034 10010105610051 20020211220102