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20233324031 = 26897524479
BaseRepresentation
bin10010110110000000…
…000000010111111111
31221020002120100122112
4102312000000113333
5312414212332111
613143422204235
71314254262614
oct226600002777
957202510575
1020233324031
1186432028a8
123b0812367b
131ba5b2bbab
14d9d2a050b
157d64a8e8b
hex4b60005ff

20233324031 has 4 divisors (see below), whose sum is σ = 20240851200. Its totient is φ = 20225796864.

The previous prime is 20233324021. The next prime is 20233324049. The reversal of 20233324031 is 13042333202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20233324031 - 222 = 20229129727 is a prime.

It is a super-2 number, since 2×202333240312 (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 = 20233323988 and 20233324006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233324021) 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, 3759551 + ... + 3764928.

It is an arithmetic number, because the mean of its divisors is an integer number (5060212800).

Almost surely, 220233324031 is an apocalyptic number.

20233324031 is a deficient number, since it is larger than the sum of its proper divisors (7527169).

20233324031 is an equidigital number, since it uses as much as digits as its factorization.

20233324031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527168.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20233324031 its reverse (13042333202), we get a palindrome (33275657233).

The spelling of 20233324031 in words is "twenty billion, two hundred thirty-three million, three hundred twenty-four thousand, thirty-one".

Divisors: 1 2689 7524479 20233324031