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20301222223 = 32969615767
BaseRepresentation
bin10010111010000011…
…000001000101001111
31221101211022221110101
4102322003001011033
5313034103102343
613154245351531
71316040353542
oct227203010517
957354287411
1020301222223
118678568807
123b26a085a7
131bb6c12b39
14da82d6859
157dc41be4d
hex4ba0c114f

20301222223 has 4 divisors (see below), whose sum is σ = 20301870960. Its totient is φ = 20300573488.

The previous prime is 20301222211. The next prime is 20301222241. The reversal of 20301222223 is 32222210302.

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

It is a cyclic number.

It is not a de Polignac number, because 20301222223 - 233 = 11711287631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20301222223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301222203) 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, 274915 + ... + 340852.

It is an arithmetic number, because the mean of its divisors is an integer number (5075467740).

Almost surely, 220301222223 is an apocalyptic number.

20301222223 is a deficient number, since it is larger than the sum of its proper divisors (648737).

20301222223 is an equidigital number, since it uses as much as digits as its factorization.

20301222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648736.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20301222223 its reverse (32222210302), we get a palindrome (52523432525).

The spelling of 20301222223 in words is "twenty billion, three hundred one million, two hundred twenty-two thousand, two hundred twenty-three".

Divisors: 1 32969 615767 20301222223