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20333202313 = 199910171687
BaseRepresentation
bin10010111011111101…
…000000101110001001
31221111001111200220011
4102323331000232021
5313120244433223
613201351031521
71316606240134
oct227375005611
957431450804
1020333202313
118694620936
123b3566b5a1
131bc072c178
14dac65d21b
157e013780d
hex4bbf40b89

20333202313 has 4 divisors (see below), whose sum is σ = 20343376000. Its totient is φ = 20323028628.

The previous prime is 20333202289. The next prime is 20333202347. The reversal of 20333202313 is 31320233302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20333202313 - 233 = 11743267721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333202413) 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, 5083845 + ... + 5087842.

It is an arithmetic number, because the mean of its divisors is an integer number (5085844000).

Almost surely, 220333202313 is an apocalyptic number.

It is an amenable number.

20333202313 is a deficient number, since it is larger than the sum of its proper divisors (10173687).

20333202313 is a wasteful number, since it uses less digits than its factorization.

20333202313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173686.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20333202313 its reverse (31320233302), we get a palindrome (51653435615).

It can be divided in two parts, 20 and 333202313, that added together give a palindrome (333202333).

The spelling of 20333202313 in words is "twenty billion, three hundred thirty-three million, two hundred two thousand, three hundred thirteen".

Divisors: 1 1999 10171687 20333202313