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120300220021020 = 22351323104918473461
BaseRepresentation
bin11011010110100110010011…
…111000010111100100011100
3120202221120220011201021210020
4123112212103320113210130
5111231444322311133040
61103505054053512140
734224255412231314
oct3326462370274434
9522846804637706
10120300220021020
1135371044a88566
12115aaba4342650
135218353a02720
14219c7c14c6444
15dd94412c5cd0
hex6d6993e1791c

120300220021020 has 384 divisors, whose sum is σ = 379198742630400. Its totient is φ = 28274373304320.

The previous prime is 120300220020973. The next prime is 120300220021021. The reversal of 120300220021020 is 20120022003021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120300220021021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 34758802090 + ... + 34758805550.

It is an arithmetic number, because the mean of its divisors is an integer number (987496725600).

Almost surely, 2120300220021020 is an apocalyptic number.

120300220021020 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 120300220021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189599371315200).

120300220021020 is an abundant number, since it is smaller than the sum of its proper divisors (258898522609380).

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

120300220021020 is a wasteful number, since it uses less digits than its factorization.

120300220021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405 (or 6403 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 120300220021020 its reverse (20120022003021), we get a palindrome (140420242024041).

The spelling of 120300220021020 in words is "one hundred twenty trillion, three hundred billion, two hundred twenty million, twenty-one thousand, twenty".