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20452160352 = 25313173173041
BaseRepresentation
bin10011000011000010…
…110011001101100000
31221210100100101122110
4103003002303031200
5313341223112402
613221240435320
71322552331441
oct230302631540
957710311573
1020452160352
118745790868
123b69478b40
131c0c27ca40
14dc03872c8
157ea7d456c
hex4c30b3360

20452160352 has 192 divisors, whose sum is σ = 61430975424. Its totient is φ = 5902172160.

The previous prime is 20452160347. The next prime is 20452160363. The reversal of 20452160352 is 25306125402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6723952 + ... + 6726992.

It is an arithmetic number, because the mean of its divisors is an integer number (319952997).

Almost surely, 220452160352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20452160352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30715487712).

20452160352 is an abundant number, since it is smaller than the sum of its proper divisors (40978815072).

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

20452160352 is a wasteful number, since it uses less digits than its factorization.

20452160352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401 (or 3393 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20452160352 its reverse (25306125402), we get a palindrome (45758285754).

The spelling of 20452160352 in words is "twenty billion, four hundred fifty-two million, one hundred sixty thousand, three hundred fifty-two".