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20302212022201 = 54413731338361
BaseRepresentation
bin1001001110110111110100…
…01000101011111110111001
32122212212120001200220102001
410213123322020223332321
510130112412234202301
6111102412450341001
74163533511564464
oct447337210537671
978785501626361
1020302212022201
11651813545535a
12233a85588a761
13b4364b493105
145028bd08a2db
15253191838c01
hex1276fa22bfb9

20302212022201 has 4 divisors (see below), whose sum is σ = 20305943366004. Its totient is φ = 20298480678400.

The previous prime is 20302212022189. The next prime is 20302212022231. The reversal of 20302212022201 is 10222021220302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15161086588176 + 5141125434025 = 3893724^2 + 2267405^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302212022201 - 231 = 20300064538553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302212022231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865663740 + ... + 1865674621.

It is an arithmetic number, because the mean of its divisors is an integer number (5076485841501).

Almost surely, 220302212022201 is an apocalyptic number.

It is an amenable number.

20302212022201 is a deficient number, since it is larger than the sum of its proper divisors (3731343803).

20302212022201 is an equidigital number, since it uses as much as digits as its factorization.

20302212022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731343802.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20302212022201 its reverse (10222021220302), we get a palindrome (30524233242503).

The spelling of 20302212022201 in words is "twenty trillion, three hundred two billion, two hundred twelve million, twenty-two thousand, two hundred one".

Divisors: 1 5441 3731338361 20302212022201