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20331200326 = 2611071557469
BaseRepresentation
bin10010111011110101…
…010111111101000110
31221110220201222200111
4102323311113331012
5313114241402301
613201240103234
71316553231343
oct227365277506
957426658614
1020331200326
1186934837a8
123b34a64b1a
131bc01aab68
14dac29b7ca
157ded8e551
hex4bbd57f46

20331200326 has 16 divisors (see below), whose sum is σ = 31286457360. Its totient is φ = 9905496480.

The previous prime is 20331200311. The next prime is 20331200327. The reversal of 20331200326 is 62300213302.

It is a junction number, because it is equal to n+sod(n) for n = 20331200297 and 20331200306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331200327) 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, 765681 + ... + 791788.

It is an arithmetic number, because the mean of its divisors is an integer number (1955403585).

Almost surely, 220331200326 is an apocalyptic number.

20331200326 is a deficient number, since it is larger than the sum of its proper divisors (10955257034).

20331200326 is a wasteful number, since it uses less digits than its factorization.

20331200326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557639.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20331200326 its reverse (62300213302), we get a palindrome (82631413628).

The spelling of 20331200326 in words is "twenty billion, three hundred thirty-one million, two hundred thousand, three hundred twenty-six".

Divisors: 1 2 61 107 122 214 6527 13054 1557469 3114938 95005609 166649183 190011218 333298366 10165600163 20331200326