Search a number
-
+
2020043420 = 225613164767
BaseRepresentation
bin111100001100111…
…0110101010011100
312012210001211121222
41320121312222130
513114112342140
6532240312512
7101026041263
oct17031665234
95183054558
102020043420
1194729757a
12484612738
13262674485
141523d55da
15bc5215b5
hex78676a9c

2020043420 has 24 divisors (see below), whose sum is σ = 4249037184. Its totient is φ = 806694336.

The previous prime is 2020043419. The next prime is 2020043429. The reversal of 2020043420 is 243400202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020043429) 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 7 ways as a sum of consecutive naturals, for example, 70124 + ... + 94643.

It is an arithmetic number, because the mean of its divisors is an integer number (177043216).

Almost surely, 22020043420 is an apocalyptic number.

2020043420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020043420 is an abundant number, since it is smaller than the sum of its proper divisors (2228993764).

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

2020043420 is a wasteful number, since it uses less digits than its factorization.

2020043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165389 (or 165387 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2020043420 is about 44944.8931470529. The cubic root of 2020043420 is about 1264.1159221449.

Adding to 2020043420 its reverse (243400202), we get a palindrome (2263443622).

The spelling of 2020043420 in words is "two billion, twenty million, forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 613 1226 2452 3065 6130 12260 164767 329534 659068 823835 1647670 3295340 101002171 202004342 404008684 505010855 1010021710 2020043420