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20524244000 = 2553134367137
BaseRepresentation
bin10011000111010101…
…110001110000100000
31221222100222121211012
4103013111301300200
5314013201302000
613232333440052
71324416124031
oct230725616040
957870877735
1020524244000
118782445327
123b89640028
131c2119aaa0
14dc9b8ca88
15801cc2735
hex4c7571c20

20524244000 has 384 divisors, whose sum is σ = 56811186432. Its totient is φ = 7238246400.

The previous prime is 20524243991. The next prime is 20524244023. The reversal of 20524244000 is 44242502.

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, 149811932 + ... + 149812068.

It is an arithmetic number, because the mean of its divisors is an integer number (147945798).

Almost surely, 220524244000 is an apocalyptic number.

20524244000 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 20524244000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28405593216).

20524244000 is an abundant number, since it is smaller than the sum of its proper divisors (36286942432).

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

20524244000 is a wasteful number, since it uses less digits than its factorization.

20524244000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 20524244000 its reverse (44242502), we get a palindrome (20568486502).

The spelling of 20524244000 in words is "twenty billion, five hundred twenty-four million, two hundred forty-four thousand".