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20320625773152 = 2533832297191721
BaseRepresentation
bin1001001111011010000111…
…01011100100101001100000
32122221122002100102101001000
410213231003223210221200
510130413120144220102
6111115055553112000
74165055023102545
oct447550353445140
978848070371030
1020320625773152
116524a24544a51
122342334558600
13b452c433ac33
1450374881abcc
152538bd1c001c
hex127b43ae4a60

20320625773152 has 384 divisors, whose sum is σ = 60363346176000. Its totient is φ = 6649577902080.

The previous prime is 20320625773099. The next prime is 20320625773163. The reversal of 20320625773152 is 25137752602302.

It is a happy number.

20320625773152 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 0 + 62 + 577 + 3 + 15 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20320625773098 and 20320625773107.

It is a congruent number.

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, 11807451652 + ... + 11807453372.

It is an arithmetic number, because the mean of its divisors is an integer number (157196214000).

Almost surely, 220320625773152 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 20320625773152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30181673088000).

20320625773152 is an abundant number, since it is smaller than the sum of its proper divisors (40042720402848).

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

20320625773152 is a wasteful number, since it uses less digits than its factorization.

20320625773152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 20320625773152 in words is "twenty trillion, three hundred twenty billion, six hundred twenty-five million, seven hundred seventy-three thousand, one hundred fifty-two".