Search a number
-
+
20022466751 = 79729488169
BaseRepresentation
bin10010101001011011…
…101001100010111111
31220200101210200211122
4102221123221202333
5312001222414001
613110450541155
71306114105430
oct225133514277
956611720748
1020022466751
118545184691
123a695977bb
131b71242a81
14d7d293487
157c2c07b1b
hex4a96e98bf

20022466751 has 8 divisors (see below), whose sum is σ = 23118725280. Its totient is φ = 16985184768.

The previous prime is 20022466691. The next prime is 20022466769. The reversal of 20022466751 is 15766422002.

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 20022466751 - 222 = 20018272447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022466351) 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, 14743406 + ... + 14744763.

It is an arithmetic number, because the mean of its divisors is an integer number (2889840660).

Almost surely, 220022466751 is an apocalyptic number.

20022466751 is a deficient number, since it is larger than the sum of its proper divisors (3096258529).

20022466751 is an equidigital number, since it uses as much as digits as its factorization.

20022466751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29488273.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 20022466751 its reverse (15766422002), we get a palindrome (35788888753).

The spelling of 20022466751 in words is "twenty billion, twenty-two million, four hundred sixty-six thousand, seven hundred fifty-one".

Divisors: 1 7 97 679 29488169 206417183 2860352393 20022466751