Search a number
-
+
20041005442 = 243244195467
BaseRepresentation
bin10010101010100010…
…010111100110000010
31220201200200120010211
4102222202113212002
5312020444133232
613112352144334
71306430510203
oct225242274602
956650616124
1020041005442
118554697017
123a738380aa
131b75034003
14d8191b5aa
157c466aa47
hex4aa897982

20041005442 has 16 divisors (see below), whose sum is σ = 30773536992. Its totient is φ = 9783355680.

The previous prime is 20041005431. The next prime is 20041005443. The reversal of 20041005442 is 24450014002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20041005443) 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, 162193 + ... + 257659.

It is an arithmetic number, because the mean of its divisors is an integer number (1923346062).

Almost surely, 220041005442 is an apocalyptic number.

20041005442 is a deficient number, since it is larger than the sum of its proper divisors (10732531550).

20041005442 is a wasteful number, since it uses less digits than its factorization.

20041005442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97953.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 20041005442 its reverse (24450014002), we get a palindrome (44491019444).

The spelling of 20041005442 in words is "twenty billion, forty-one million, five thousand, four hundred forty-two".

Divisors: 1 2 43 86 2441 4882 95467 104963 190934 209926 4105081 8210162 233034947 466069894 10020502721 20041005442