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20403422233 = 65973342239
BaseRepresentation
bin10011000000001000…
…111000010000011001
31221122221122020111221
4103000020320100121
5313241234002413
613212340052041
71321421141005
oct230010702031
957587566457
1020403422233
118720222127
123b55094021
131c02146b0c
14db7adb705
157e63a868d
hex4c0238419

20403422233 has 8 divisors (see below), whose sum is σ = 20462745600. Its totient is φ = 20344186128.

The previous prime is 20403422201. The next prime is 20403422293. The reversal of 20403422233 is 33222430402.

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 20403422233 - 25 = 20403422201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20403422198 and 20403422207.

It is not an unprimeable number, because it can be changed into a prime (20403422293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461928 + ... + 504166.

It is an arithmetic number, because the mean of its divisors is an integer number (2557843200).

Almost surely, 220403422233 is an apocalyptic number.

It is an amenable number.

20403422233 is a deficient number, since it is larger than the sum of its proper divisors (59323367).

20403422233 is an equidigital number, since it uses as much as digits as its factorization.

20403422233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43631.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20403422233 its reverse (33222430402), we get a palindrome (53625852635).

The spelling of 20403422233 in words is "twenty billion, four hundred three million, four hundred twenty-two thousand, two hundred thirty-three".

Divisors: 1 659 733 42239 483047 27835501 30961187 20403422233