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20332032223 = 23884001401
BaseRepresentation
bin10010111011111000…
…100011000011011111
31221110222022020211111
4102323320203003133
5313120000012343
613201310002451
71316563264606
oct227370430337
957428266744
1020332032223
1186939a1818
123b351a6427
131bc040c6c9
14dac436a3d
157deea5c9d
hex4bbe230df

20332032223 has 4 divisors (see below), whose sum is σ = 21216033648. Its totient is φ = 19448030800.

The previous prime is 20332032191. The next prime is 20332032241. The reversal of 20332032223 is 32223023302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32223023302 = 216111511651.

It is a cyclic number.

It is not a de Polignac number, because 20332032223 - 25 = 20332032191 is a prime.

It is a super-2 number, since 2×203320322232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332032194 and 20332032203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332033223) 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, 442000678 + ... + 442000723.

It is an arithmetic number, because the mean of its divisors is an integer number (5304008412).

Almost surely, 220332032223 is an apocalyptic number.

20332032223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20332032223 is a deficient number, since it is larger than the sum of its proper divisors (884001425).

20332032223 is an equidigital number, since it uses as much as digits as its factorization.

20332032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884001424.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 20332032223 its reverse (32223023302), we get a palindrome (52555055525).

The spelling of 20332032223 in words is "twenty billion, three hundred thirty-two million, thirty-two thousand, two hundred twenty-three".

Divisors: 1 23 884001401 20332032223