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20252024140 = 22529191182813
BaseRepresentation
bin10010110111000111…
…010101110101001100
31221021101202102101011
4102313013111311030
5312434004233030
613145331055004
71314602236105
oct226707256514
957241672334
1020252024140
118652815537
123b12441464
131ba997874a
14da196b3ac
157d7e4eb2a
hex4b71d5d4c

20252024140 has 48 divisors (see below), whose sum is σ = 44226362880. Its totient is φ = 7780478720.

The previous prime is 20252024123. The next prime is 20252024213. The reversal of 20252024140 is 4142025202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19374 + ... + 202186.

It is an arithmetic number, because the mean of its divisors is an integer number (921382560).

Almost surely, 220252024140 is an apocalyptic number.

20252024140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20252024140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22113181440).

20252024140 is an abundant number, since it is smaller than the sum of its proper divisors (23974338740).

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

20252024140 is a wasteful number, since it uses less digits than its factorization.

20252024140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183042 (or 183040 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 20252024140 its reverse (4142025202), we get a palindrome (24394049342).

The spelling of 20252024140 in words is "twenty billion, two hundred fifty-two million, twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 191 290 382 580 764 955 1910 3820 5539 11078 22156 27695 55390 110780 182813 365626 731252 914065 1828130 3656260 5301577 10603154 21206308 26507885 34917283 53015770 69834566 106031540 139669132 174586415 349172830 698345660 1012601207 2025202414 4050404828 5063006035 10126012070 20252024140