Search a number
-
+
10220000020000 = 255431139118589
BaseRepresentation
bin1001010010111000011101…
…1110001000011000100000
31100012000121101002020000021
42110232013132020120200
52314421030001120000
633423000405003224
72103241061560441
oct224560736103040
940160541066007
1010220000020000
113290306638271
1211908553b3514
13591984b5b454
142749174dd2c8
1512aca413911a
hex94b87788620

10220000020000 has 240 divisors, whose sum is σ = 26140727289600. Its totient is φ = 3927634560000.

The previous prime is 10220000019979. The next prime is 10220000020003. The reversal of 10220000020000 is 2000002201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10220000020003) 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, 86120706 + ... + 86239294.

It is an arithmetic number, because the mean of its divisors is an integer number (108919697040).

Almost surely, 210220000020000 is an apocalyptic number.

10220000020000 is a gapful number since it is divisible by the number (10) 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 10220000020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13070363644800).

10220000020000 is an abundant number, since it is smaller than the sum of its proper divisors (15920727269600).

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

10220000020000 is a wasteful number, since it uses less digits than its factorization.

10220000020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118789 (or 118766 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 10220000020000 its reverse (2000002201), we get a palindrome (10222000022201).

The spelling of 10220000020000 in words is "ten trillion, two hundred twenty billion, twenty thousand".