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21302322020000 = 25547883172321
BaseRepresentation
bin1001101011111110101010…
…10101100011111010100000
32210102111000110002210111122
410311333111111203322200
510243004123414120000
6113150052430431412
74326020253366020
oct465772525437240
983374013083448
1021302322020000
11687329a48021a
122480648662568
13bb6a53492cb8
14539075d67a80
1526e1c7a7c085
hex135fd5563ea0

21302322020000 has 240 divisors, whose sum is σ = 59961786236352. Its totient is φ = 7295339520000.

The previous prime is 21302322019987. The next prime is 21302322020009. The reversal of 21302322020000 is 2022320312.

It is not an unprimeable number, because it can be changed into a prime (21302322020009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 123533840 + ... + 123706160.

Almost surely, 221302322020000 is an apocalyptic number.

21302322020000 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 21302322020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29980893118176).

21302322020000 is an abundant number, since it is smaller than the sum of its proper divisors (38659464216352).

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

21302322020000 is an equidigital number, since it uses as much as digits as its factorization.

21302322020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173241 (or 173218 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21302322020000 its reverse (2022320312), we get a palindrome (21304344340312).

The spelling of 21302322020000 in words is "twenty-one trillion, three hundred two billion, three hundred twenty-two million, twenty thousand".