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20304322224 = 243423006713
BaseRepresentation
bin10010111010001110…
…110101111010110000
31221102001011102212020
4102322032311322300
5313040401302344
613154440031440
71316105614464
oct227216657260
957361142766
1020304322224
11867a29589a
123b27a62580
131bb7759b64
14da88a24a4
157dc830719
hex4ba3b5eb0

20304322224 has 20 divisors (see below), whose sum is σ = 52452832536. Its totient is φ = 6768107392.

The previous prime is 20304322219. The next prime is 20304322229. The reversal of 20304322224 is 42222340302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20304322219) and next prime (20304322229).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20304322194 and 20304322203.

It is not an unprimeable number, because it can be changed into a prime (20304322229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211503309 + ... + 211503404.

Almost surely, 220304322224 is an apocalyptic number.

20304322224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20304322224 is an abundant number, since it is smaller than the sum of its proper divisors (32148510312).

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

20304322224 is a wasteful number, since it uses less digits than its factorization.

20304322224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423006724 (or 423006718 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20304322224 its reverse (42222340302), we get a palindrome (62526662526).

The spelling of 20304322224 in words is "twenty billion, three hundred four million, three hundred twenty-two thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 423006713 846013426 1269020139 1692026852 2538040278 3384053704 5076080556 6768107408 10152161112 20304322224