Search a number
-
+
20022110210120 = 235618205782873
BaseRepresentation
bin1001000110101110000101…
…10001000100100001001000
32121220002120021201112222212
410203113002301010201020
510111020240203210440
6110330010324404252
74134356361505604
oct443270261044110
977802507645885
1020022110210120
11641a369269167
1222b4504246688
13b230ccc128c5
144d310a8ca504
1524ac4aed4465
hex1235c2c44848

20022110210120 has 32 divisors (see below), whose sum is σ = 45788268436920. Its totient is φ = 7877551557120.

The previous prime is 20022110210107. The next prime is 20022110210149. The reversal of 20022110210120 is 2101201122002.

It can be written as a sum of positive squares in 4 ways, for example, as 5653143437956 + 14368966772164 = 2377634^2 + 3790642^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20022110210095 and 20022110210104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4102888997 + ... + 4102893876.

Almost surely, 220022110210120 is an apocalyptic number.

20022110210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022110210120 is an abundant number, since it is smaller than the sum of its proper divisors (25766158226800).

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

20022110210120 is a wasteful number, since it uses less digits than its factorization.

20022110210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8205782945 (or 8205782941 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20022110210120 its reverse (2101201122002), we get a palindrome (22123311332122).

The spelling of 20022110210120 in words is "twenty trillion, twenty-two billion, one hundred ten million, two hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 61 122 244 305 488 610 1220 2440 8205782873 16411565746 32823131492 41028914365 65646262984 82057828730 164115657460 328231314920 500552755253 1001105510506 2002211021012 2502763776265 4004422042024 5005527552530 10011055105060 20022110210120