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20022222112201 = 67351298506907
BaseRepresentation
bin1001000110101110010010…
…11011111100010111001001
32121220002212002021202210101
410203113021123330113021
510111021002330042301
6110330025403045401
74134362220612001
oct443271133742711
977802762252711
1020022222112201
11641a416449921
1222b4535810861
13b2311a16295a
144d311b6d9001
1524ac55c3a701
hex1235c96fc5c9

20022222112201 has 8 divisors (see below), whose sum is σ = 20321642106720. Its totient is φ = 19722819201888.

The previous prime is 20022222112169. The next prime is 20022222112213. The reversal of 20022222112201 is 10221122222002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20022222112201 - 25 = 20022222112169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022222112601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899811 + ... + 6607096.

It is an arithmetic number, because the mean of its divisors is an integer number (2540205263340).

Almost surely, 220022222112201 is an apocalyptic number.

It is an amenable number.

20022222112201 is a deficient number, since it is larger than the sum of its proper divisors (299419994519).

20022222112201 is an equidigital number, since it uses as much as digits as its factorization.

20022222112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8542103.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20022222112201 its reverse (10221122222002), we get a palindrome (30243344334203).

The spelling of 20022222112201 in words is "twenty trillion, twenty-two billion, two hundred twenty-two million, one hundred twelve thousand, two hundred one".

Divisors: 1 67 35129 2353643 8506907 569962769 298839136003 20022222112201