Search a number
-
+
20212220202 = 233368703367
BaseRepresentation
bin10010110100101111…
…100000000100101010
31221011121212011122020
4102310233200010222
5312343312021302
613141350005310
71313610015456
oct226457400452
957147764566
1020212220202
1186322a9219
123b01046836
131ba1650215
14d9a569666
157d46daebc
hex4b4be012a

20212220202 has 8 divisors (see below), whose sum is σ = 40424440416. Its totient is φ = 6737406732.

The previous prime is 20212220183. The next prime is 20212220267. The reversal of 20212220202 is 20202221202.

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

20212220202 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684351678 + ... + 1684351689.

It is an arithmetic number, because the mean of its divisors is an integer number (5053055052).

Almost surely, 220212220202 is an apocalyptic number.

20212220202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20212220202 is a wasteful number, since it uses less digits than its factorization.

20212220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368703372.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20212220202 its reverse (20202221202), we get a palindrome (40414441404).

The spelling of 20212220202 in words is "twenty billion, two hundred twelve million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 3368703367 6737406734 10106110101 20212220202