Search a number
-
+
2020130424 = 2332132158259
BaseRepresentation
bin111100001101000…
…1011111001111000
312012210020020222100
41320122023321320
513114123133144
6532242223400
7101026553034
oct17032137170
95183206870
102020130424
11947346984
12484654b60
132626a4c60
141524191c4
15bc53c269
hex7868be78

2020130424 has 48 divisors (see below), whose sum is σ = 5892049800. Its totient is φ = 621578304.

The previous prime is 2020130423. The next prime is 2020130447. The reversal of 2020130424 is 4240310202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2020130397 and 2020130406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020130423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078194 + ... + 1080065.

Almost surely, 22020130424 is an apocalyptic number.

2020130424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2020130424 is an abundant number, since it is smaller than the sum of its proper divisors (3871919376).

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

2020130424 is a wasteful number, since it uses less digits than its factorization.

2020130424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158284 (or 2158277 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2020130424 is about 44945.8610330251. The cubic root of 2020130424 is about 1264.1340705275.

Adding to 2020130424 its reverse (4240310202), we get a palindrome (6260440626).

It can be divided in two parts, 20201 and 30424, that added together give a 4-th power (50625 = 154).

The spelling of 2020130424 in words is "two billion, twenty million, one hundred thirty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 2158259 4316518 6474777 8633036 12949554 17266072 19424331 25899108 28057367 38848662 51798216 56114734 77697324 84172101 112229468 155394648 168344202 224458936 252516303 336688404 505032606 673376808 1010065212 2020130424