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2020432554 = 2327139115361
BaseRepresentation
bin111100001101101…
…0101101010101010
312012210210121102100
41320123111222222
513114212320204
6532252514230
7101032251630
oct17033255252
95183717370
102020432554
11947532978
1248477b976
1326277c62a
14152497350
15bc59ba39
hex786d5aaa

2020432554 has 48 divisors (see below), whose sum is σ = 5039012160. Its totient is φ = 573108480.

The previous prime is 2020432553. The next prime is 2020432559. The reversal of 2020432554 is 4552340202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2020432553) 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 23 ways as a sum of consecutive naturals, for example, 40167 + ... + 75194.

It is an arithmetic number, because the mean of its divisors is an integer number (104979420).

Almost surely, 22020432554 is an apocalyptic number.

2020432554 is an abundant number, since it is smaller than the sum of its proper divisors (3018579606).

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

2020432554 is a wasteful number, since it uses less digits than its factorization.

2020432554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115515 (or 115512 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2020432554 is about 44949.2219509971. The cubic root of 2020432554 is about 1264.1970885359.

Adding to 2020432554 its reverse (4552340202), we get a palindrome (6572772756).

The spelling of 2020432554 in words is "two billion, twenty million, four hundred thirty-two thousand, five hundred fifty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 139 278 417 834 973 1251 1946 2502 2919 5838 8757 17514 115361 230722 346083 692166 807527 1038249 1615054 2076498 2422581 4845162 7267743 14535486 16035179 32070358 48105537 96211074 112246253 144316611 224492506 288633222 336738759 673477518 1010216277 2020432554