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20323111330 = 252032311133
BaseRepresentation
bin10010111011010110…
…100001000110100010
31221110100112000200001
4102323112201012202
5313110204030310
613200350450214
71316424411304
oct227326410642
957410460601
1020323111330
118689959385
123b3220396a
131bbb608082
14dab193974
157de2e293a
hex4bb5a11a2

20323111330 has 8 divisors (see below), whose sum is σ = 36581600412. Its totient is φ = 8129244528.

The previous prime is 20323111307. The next prime is 20323111349. The reversal of 20323111330 is 3311132302.

It can be written as a sum of positive squares in 2 ways, for example, as 20323068481 + 42849 = 142559^2 + 207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20323111298 and 20323111307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016155557 + ... + 1016155576.

Almost surely, 220323111330 is an apocalyptic number.

20323111330 is a deficient number, since it is larger than the sum of its proper divisors (16258489082).

20323111330 is a wasteful number, since it uses less digits than its factorization.

20323111330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032311140.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20323111330 its reverse (3311132302), we get a palindrome (23634243632).

The spelling of 20323111330 in words is "twenty billion, three hundred twenty-three million, one hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 2032311133 4064622266 10161555665 20323111330