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120222211220020 = 225713234772784053
BaseRepresentation
bin11011010101011101101010…
…001100011010001000110100
3120202200010112121101121022101
4123111131222030122020310
5111224210042033020040
61103405153230311444
734215524316324520
oct3325355214321064
9522603477347271
10120222211220020
1135340a54057798
1211597a53358584
135210ba1283090
142198b00d94d80
15dd73c7a2c09a
hex6d576a31a234

120222211220020 has 384 divisors, whose sum is σ = 331596209258496. Its totient is φ = 35570311501824.

The previous prime is 120222211220009. The next prime is 120222211220021. The reversal of 120222211220020 is 20022112222021.

It is a super-2 number, since 2×1202222112200202 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120222211220020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222211220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1430272314 + ... + 1430356366.

It is an arithmetic number, because the mean of its divisors is an integer number (863531794944).

Almost surely, 2120222211220020 is an apocalyptic number.

120222211220020 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 120222211220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165798104629248).

120222211220020 is an abundant number, since it is smaller than the sum of its proper divisors (211373998038476).

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

120222211220020 is a wasteful number, since it uses less digits than its factorization.

120222211220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84879 (or 84877 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 120222211220020 its reverse (20022112222021), we get a palindrome (140244323442041).

The spelling of 120222211220020 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred eleven million, two hundred twenty thousand, twenty".