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20079068190720 = 21135711331273
BaseRepresentation
bin1001001000011000001011…
…01110100001100000000000
32122002112120210012202121220
410210030011232201200000
510112433412424100340
6110412110243515040
74141444012402230
oct444140556414000
978075523182556
1020079068190720
116441537596000
12230355b388a80
13b285a93657c6
144d5b91359cc0
1524c481642ed0
hex124305ba1800

20079068190720 has 2304 divisors, whose sum is σ = 84581849963520. Its totient is φ = 3982373683200.

The previous prime is 20079068190719. The next prime is 20079068190733. The reversal of 20079068190720 is 2709186097002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 275055728604 + ... + 275055728676.

It is an arithmetic number, because the mean of its divisors is an integer number (36710872380).

Almost surely, 220079068190720 is an apocalyptic number.

20079068190720 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 20079068190720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42290924981760).

20079068190720 is an abundant number, since it is smaller than the sum of its proper divisors (64502781772800).

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

20079068190720 is an equidigital number, since it uses as much as digits as its factorization.

20079068190720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 20079068190720 in words is "twenty trillion, seventy-nine billion, sixty-eight million, one hundred ninety thousand, seven hundred twenty".