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20528160396 = 2234214063373
BaseRepresentation
bin10011000111100100…
…101101111010001100
31221222122100121002220
4103013210231322030
5314020202113041
613232553415340
71324464325062
oct230744557214
957878317086
1020528160396
11878467a817
123b8aa0a550
131c21c3c593
14dca4cc032
158022e7d66
hex4c792de8c

20528160396 has 24 divisors (see below), whose sum is σ = 48012827184. Its totient is φ = 6826464960.

The previous prime is 20528160383. The next prime is 20528160403. The reversal of 20528160396 is 69306182502.

It is a super-3 number, since 3×205281603963 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2026635 + ... + 2036738.

It is an arithmetic number, because the mean of its divisors is an integer number (2000534466).

Almost surely, 220528160396 is an apocalyptic number.

It is an amenable number.

20528160396 is an abundant number, since it is smaller than the sum of its proper divisors (27484666788).

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

20528160396 is a wasteful number, since it uses less digits than its factorization.

20528160396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063801 (or 4063799 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 20528160396 in words is "twenty billion, five hundred twenty-eight million, one hundred sixty thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 421 842 1263 1684 2526 5052 4063373 8126746 12190119 16253492 24380238 48760476 1710680033 3421360066 5132040099 6842720132 10264080198 20528160396