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20425049710800 = 243527217238771013
BaseRepresentation
bin1001010010011100100111…
…10101010010000011010000
32200022121121211111000212020
410221032103311102003100
510134121000211221200
6111235045512331440
74205442525655500
oct451162365220320
980277554430766
1020425049710800
116565240099969
12235a6179a3b80
13b520c6542157
14508813227a00
152564809c0ea0
hex129393d520d0

20425049710800 has 1440 divisors, whose sum is σ = 84270282999552. Its totient is φ = 4193981890560.

The previous prime is 20425049710789. The next prime is 20425049710801. The reversal of 20425049710800 is 801794052402.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20425049710801) by changing a digit.

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 287 ways as a sum of consecutive naturals, for example, 20162931094 + ... + 20162932106.

Almost surely, 220425049710800 is an apocalyptic number.

20425049710800 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 20425049710800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42135141499776).

20425049710800 is an abundant number, since it is smaller than the sum of its proper divisors (63845233288752).

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

20425049710800 is a wasteful number, since it uses less digits than its factorization.

20425049710800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 20425049710800 in words is "twenty trillion, four hundred twenty-five billion, forty-nine million, seven hundred ten thousand, eight hundred".