Search a number
-
+
20041142242 = 2116713596433
BaseRepresentation
bin10010101010100010…
…111000111111100010
31220201200221111210111
4102222202320333202
5312021013022432
613112355121534
71306431620062
oct225242707742
956650844714
1020041142242
11855477a880
123a738a32aa
131b75081364
14d819553a2
157c4696347
hex4aa8b8fe2

20041142242 has 16 divisors (see below), whose sum is σ = 33284070432. Its totient is φ = 8973645120.

The previous prime is 20041142237. The next prime is 20041142249. The reversal of 20041142242 is 24224114002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20041142249) 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, 6796743 + ... + 6799690.

It is an arithmetic number, because the mean of its divisors is an integer number (2080254402).

Almost surely, 220041142242 is an apocalyptic number.

20041142242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20041142242 is a deficient number, since it is larger than the sum of its proper divisors (13242928190).

20041142242 is a wasteful number, since it uses less digits than its factorization.

20041142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13596513.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20041142242 its reverse (24224114002), we get a palindrome (44265256244).

The spelling of 20041142242 in words is "twenty billion, forty-one million, one hundred forty-two thousand, two hundred forty-two".

Divisors: 1 2 11 22 67 134 737 1474 13596433 27192866 149560763 299121526 910961011 1821922022 10020571121 20041142242