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10220020210000 = 24542953664933
BaseRepresentation
bin1001010010111000100010…
…1011001001100101010000
31100012000122210001222111001
42110232020223021211100
52314421100133210000
633423002405431344
72103241425310426
oct224561053114520
940160583058431
1010220020210000
113290316a78317
12119086010b554
135919890aa1b3
1427491a077116
1512aca5cc646a
hex94b88ac9950

10220020210000 has 200 divisors, whose sum is σ = 26079921659880. Its totient is φ = 3872563968000.

The previous prime is 10220020209991. The next prime is 10220020210019. The reversal of 10220020210000 is 1202002201.

It can be written as a sum of positive squares in 20 ways, for example, as 10196475148864 + 23545061136 = 3193192^2 + 153444^2 .

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15037534 + ... + 15702466.

Almost surely, 210220020210000 is an apocalyptic number.

10220020210000 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 10220020210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13039960829940).

10220020210000 is an abundant number, since it is smaller than the sum of its proper divisors (15859901449880).

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

10220020210000 is an equidigital number, since it uses as much as digits as its factorization.

10220020210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665043 (or 665022 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10220020210000 its reverse (1202002201), we get a palindrome (10221222212201).

The spelling of 10220020210000 in words is "ten trillion, two hundred twenty billion, twenty million, two hundred ten thousand".