Search a number
-
+
20004310520740 = 225713192919948057
BaseRepresentation
bin1001000110001100111011…
…10100101001001110100100
32121211101121210110122111001
410203012131310221032210
510110222311443130430
6110313504155323044
74133156314603510
oct443063564511644
977741553418431
1020004310520740
116412864861077
1222b0b77150484
13b21524347b20
144d22dc923140
1524a5584e73ca
hex12319dd293a4

20004310520740 has 192 divisors, whose sum is σ = 56301398899200. Its totient is φ = 5791000449024.

The previous prime is 20004310520699. The next prime is 20004310520767. The reversal of 20004310520740 is 4702501340002.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 20004310520699 and 20004310520708.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8971209 + ... + 10976848.

It is an arithmetic number, because the mean of its divisors is an integer number (293236452600).

Almost surely, 220004310520740 is an apocalyptic number.

20004310520740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004310520740 is an abundant number, since it is smaller than the sum of its proper divisors (36297088378460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20004310520740 is a wasteful number, since it uses less digits than its factorization.

20004310520740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19948134 (or 19948132 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 20004310520740 its reverse (4702501340002), we get a palindrome (24706811860742).

The spelling of 20004310520740 in words is "twenty trillion, four billion, three hundred ten million, five hundred twenty thousand, seven hundred forty".