Search a number
-
+
20301323223 = 313151657311
BaseRepresentation
bin10010111010000011…
…011001101111010111
31221101211112002000010
4102322003121233113
5313034114320343
613154251451303
71316041254156
oct227203315727
957354462003
1020301323223
118678627685
123b26a56b33
131bb6c49abc
14da832159d
157dc43bd33
hex4ba0d9bd7

20301323223 has 8 divisors (see below), whose sum is σ = 27275060736. Its totient is φ = 13430900600.

The previous prime is 20301323191. The next prime is 20301323239. The reversal of 20301323223 is 32232310302.

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 20301323223 - 25 = 20301323191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20301323223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301323423) 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, 25828263 + ... + 25829048.

It is an arithmetic number, because the mean of its divisors is an integer number (3409382592).

Almost surely, 220301323223 is an apocalyptic number.

20301323223 is a deficient number, since it is larger than the sum of its proper divisors (6973737513).

20301323223 is a wasteful number, since it uses less digits than its factorization.

20301323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51657445.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20301323223 its reverse (32232310302), we get a palindrome (52533633525).

The spelling of 20301323223 in words is "twenty billion, three hundred one million, three hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 3 131 393 51657311 154971933 6767107741 20301323223