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20331220303122 = 23101137953256967
BaseRepresentation
bin1001001111101101110110…
…01010011111110100010010
32122222122102200220020221220
410213312323022133310102
510131101314344144442
6111124011134425510
74165611410112201
oct447667312376422
978878380806856
1020331220303122
116529470911143
1223443b0662296
13b462c225a291
14504071901238
15253cdd369eec
hex127dbb29fd12

20331220303122 has 64 divisors (see below), whose sum is σ = 41408349790464. Its totient is φ = 6653980390400.

The previous prime is 20331220303111. The next prime is 20331220303153. The reversal of 20331220303122 is 22130302213302.

It is a junction number, because it is equal to n+sod(n) for n = 20331220303092 and 20331220303101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78991483 + ... + 79248449.

It is an arithmetic number, because the mean of its divisors is an integer number (647005465476).

Almost surely, 220331220303122 is an apocalyptic number.

20331220303122 is an abundant number, since it is smaller than the sum of its proper divisors (21077129487342).

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

20331220303122 is a wasteful number, since it uses less digits than its factorization.

20331220303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258163.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20331220303122 its reverse (22130302213302), we get a palindrome (42461522516424).

The spelling of 20331220303122 in words is "twenty trillion, three hundred thirty-one billion, two hundred twenty million, three hundred three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 101 137 202 274 303 411 606 822 953 1906 2859 5718 13837 27674 41511 83022 96253 130561 192506 256967 261122 288759 391683 513934 577518 770901 783366 1541802 13186661 25953667 26373322 35204479 39559983 51907334 70408958 77861001 79119966 105613437 155722002 211226874 244889551 489779102 734668653 1469337306 3555652379 7111304758 10666957137 21333914274 24733844651 33549868487 49467689302 67099736974 74201533953 100649605461 148403067906 201299210922 3388536717187 6777073434374 10165610151561 20331220303122