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20832475339980 = 22345296135920249
BaseRepresentation
bin1001011110010011100000…
…10010101101110011001100
32201202120021000200110010000
410233021300102231303030
510212304402141334410
6112150150153444300
74250045105453253
oct457116022556314
981676230613100
1020832475339980
116702004256387
122405581a10690
13b816563cc3c5
1452042369d79a
15261d7925adc0
hex12f2704adccc

20832475339980 has 480 divisors, whose sum is σ = 68908870800000. Its totient is φ = 5260877475840.

The previous prime is 20832475339931. The next prime is 20832475339997. The reversal of 20832475339980 is 8993357423802.

20832475339980 is a `hidden beast` number, since 2 + 0 + 8 + 3 + 2 + 4 + 7 + 533 + 9 + 98 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1028804896 + ... + 1028825144.

It is an arithmetic number, because the mean of its divisors is an integer number (143560147500).

Almost surely, 220832475339980 is an apocalyptic number.

20832475339980 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 20832475339980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34454435400000).

20832475339980 is an abundant number, since it is smaller than the sum of its proper divisors (48076395460020).

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

20832475339980 is a wasteful number, since it uses less digits than its factorization.

20832475339980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20719 (or 20708 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 20832475339980 in words is "twenty trillion, eight hundred thirty-two billion, four hundred seventy-five million, three hundred thirty-nine thousand, nine hundred eighty".