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20425328050176 = 21433723237337
BaseRepresentation
bin1001010010011101001000…
…11011000100000000000000
32200022122100020020010201000
410221032210123010000000
510134122032440101201
6111235133254212000
74205452445551530
oct451164433040000
980278306203630
1020425328050176
116565373219405
12235a695054000
13b5213c0c79ca
1450883c19d4c0
1525649a151d86
hex1293a46c4000

20425328050176 has 1440 divisors, whose sum is σ = 74475270222080. Its totient is φ = 5415093927936.

The previous prime is 20425328050147. The next prime is 20425328050177. The reversal of 20425328050176 is 67105082352402.

20425328050176 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 53 + 28 + 0 + 501 + 76 = 666.

It is not an unprimeable number, because it can be changed into a prime (20425328050177) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60609281880 + ... + 60609282216.

Almost surely, 220425328050176 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 20425328050176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37237635111040).

20425328050176 is an abundant number, since it is smaller than the sum of its proper divisors (54049942171904).

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

20425328050176 is an equidigital number, since it uses as much as digits as its factorization.

20425328050176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 20425328050176 in words is "twenty trillion, four hundred twenty-five billion, three hundred twenty-eight million, fifty thousand, one hundred seventy-six".