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20312024014 = 2173722771129
BaseRepresentation
bin10010111010101100…
…001110001111001110
31221102120122201201201
4102322230032033032
5313044334232024
613155313100114
71316231232622
oct227254161716
957376581651
1020312024014
118683676307
123b2a55763a
131bb9225629
14da9909182
157dd352744
hex4bab0e3ce

20312024014 has 32 divisors (see below), whose sum is σ = 33278597280. Its totient is φ = 9259158528.

The previous prime is 20312023999. The next prime is 20312024053. The reversal of 20312024014 is 41042021302.

It is a junction number, because it is equal to n+sod(n) for n = 20312023982 and 20312024000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250002 + ... + 321130.

It is an arithmetic number, because the mean of its divisors is an integer number (1039956165).

Almost surely, 220312024014 is an apocalyptic number.

20312024014 is a deficient number, since it is larger than the sum of its proper divisors (12966573266).

20312024014 is a wasteful number, since it uses less digits than its factorization.

20312024014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71412.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20312024014 its reverse (41042021302), we get a palindrome (61354045316).

The spelling of 20312024014 in words is "twenty billion, three hundred twelve million, twenty-four thousand, fourteen".

Divisors: 1 2 17 34 37 74 227 454 629 1258 3859 7718 8399 16798 71129 142258 142783 285566 1209193 2418386 2631773 5263546 16146283 32292566 44740141 89480282 274486811 548973622 597412471 1194824942 10156012007 20312024014