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20333020123 = 133733418987
BaseRepresentation
bin10010111011111100…
…010100001111011011
31221111001011102222101
4102323330110033123
5313120223120443
613201343104231
71316604551023
oct227374241733
957431142871
1020333020123
118694506a69
123b355a2077
131bc0697270
14dac612a83
157e00ed84d
hex4bbf143db

20333020123 has 8 divisors (see below), whose sum is σ = 21903016688. Its totient is φ = 18763869024.

The previous prime is 20333020111. The next prime is 20333020129. The reversal of 20333020123 is 32102033302.

It is a happy number.

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 20333020123 - 25 = 20333020091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20333020123.

It is not an unprimeable number, because it can be changed into a prime (20333020129) 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, 160965 + ... + 258022.

It is an arithmetic number, because the mean of its divisors is an integer number (2737877086).

Almost surely, 220333020123 is an apocalyptic number.

20333020123 is a deficient number, since it is larger than the sum of its proper divisors (1569996565).

20333020123 is a wasteful number, since it uses less digits than its factorization.

20333020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422733.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20333020123 its reverse (32102033302), we get a palindrome (52435053425).

The spelling of 20333020123 in words is "twenty billion, three hundred thirty-three million, twenty thousand, one hundred twenty-three".

Divisors: 1 13 3733 48529 418987 5446831 1564078471 20333020123