Search a number
-
+
20020002013 = 112979794413
BaseRepresentation
bin10010101001010010…
…001111110011011101
31220200020011110212001
4102221102033303131
5312000110031023
613110322042301
71306054131544
oct225122176335
956606143761
1020020002013
118543850910
123a687a9391
131b7088bc4b
14d7cc1115b
157c28bc6ad
hex4a948fcdd

20020002013 has 16 divisors (see below), whose sum is σ = 22879123200. Its totient is φ = 17349958080.

The previous prime is 20020002007. The next prime is 20020002017. The reversal of 20020002013 is 31020002002.

It is a cyclic number.

It is not a de Polignac number, because 20020002013 - 213 = 20019993821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020002017) by changing a digit.

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, 372006 + ... + 422407.

It is an arithmetic number, because the mean of its divisors is an integer number (1429945200).

Almost surely, 220020002013 is an apocalyptic number.

It is an amenable number.

20020002013 is a deficient number, since it is larger than the sum of its proper divisors (2859121187).

20020002013 is a wasteful number, since it uses less digits than its factorization.

20020002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794532.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20020002013 its reverse (31020002002), we get a palindrome (51040004015).

The spelling of 20020002013 in words is "twenty billion, twenty million, two thousand, thirteen".

Divisors: 1 11 29 79 319 869 2291 25201 794413 8738543 23037977 62758627 253417747 690344897 1820000183 20020002013