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20601032704000 = 2155376611087
BaseRepresentation
bin1001010111100100011010…
…01111001000000000000000
32200221102212101112100201021
410223302031033020000000
510200011403333012000
6111451552254515224
74224242536510510
oct453621517100000
980842771470637
1020601032704000
116622937991411
122388750205b14
13b65890b8c0a8
14513149723840
1525ad306e511a
hex12bc8d3c8000

20601032704000 has 512 divisors, whose sum is σ = 58908067246080. Its totient is φ = 7046037504000.

The previous prime is 20601032703989. The next prime is 20601032704121. The reversal of 20601032704000 is 40723010602.

It is a tau number, because it is divible by the number of its divisors (512).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18952191457 + ... + 18952192543.

It is an arithmetic number, because the mean of its divisors is an integer number (115054818840).

Almost surely, 220601032704000 is an apocalyptic number.

20601032704000 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 20601032704000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29454033623040).

20601032704000 is an abundant number, since it is smaller than the sum of its proper divisors (38307034542080).

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

20601032704000 is an frugal number, since it uses more digits than its factorization.

20601032704000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 20601032704000 its reverse (40723010602), we get a palindrome (20641755714602).

The spelling of 20601032704000 in words is "twenty trillion, six hundred one billion, thirty-two million, seven hundred four thousand".