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10220221020000 = 25354550730931
BaseRepresentation
bin1001010010111001010010…
…1001001011011101100000
31100012001011202221012000110
42110232110221023131200
52314422003040120000
633423034341451320
72103246414210345
oct224562451133540
940161152835013
1010220221020000
11329040a3638a2
1211908b7410b40
135919bb889094
142749389ca7cc
1512acb8740850
hex94b94a4b760

10220221020000 has 240 divisors, whose sum is σ = 33531540622272. Its totient is φ = 2724809280000.

The previous prime is 10220221019999. The next prime is 10220221020017. The reversal of 10220221020000 is 2012202201.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 330404535 + ... + 330435465.

Almost surely, 210220221020000 is an apocalyptic number.

10220221020000 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 10220221020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16765770311136).

10220221020000 is an abundant number, since it is smaller than the sum of its proper divisors (23311319602272).

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

10220221020000 is an equidigital number, since it uses as much as digits as its factorization.

10220221020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36471 (or 36448 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10220221020000 its reverse (2012202201), we get a palindrome (10222233222201).

The spelling of 10220221020000 in words is "ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand".