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2020321223120 = 24525254015289
BaseRepresentation
bin11101011001100100100…
…001110110000111010000
321011010210122210221111102
4131121210201312013100
5231100104213114440
64144042303203532
7265651305023354
oct35314441660720
97133718727442
102020321223120
117098a472a562
122876755a65a8
1311869165ab55
146dad96b1464
153784704ab15
hex1d6648761d0

2020321223120 has 20 divisors (see below), whose sum is σ = 4697246843940. Its totient is φ = 808128489216.

The previous prime is 2020321223087. The next prime is 2020321223149. The reversal of 2020321223120 is 213221230202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 855121873984 + 1165199349136 = 924728^2 + 1079444^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2020321223092 and 2020321223101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12627007565 + ... + 12627007724.

It is an arithmetic number, because the mean of its divisors is an integer number (234862342197).

Almost surely, 22020321223120 is an apocalyptic number.

2020321223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020321223120 is an abundant number, since it is smaller than the sum of its proper divisors (2676925620820).

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

2020321223120 is a wasteful number, since it uses less digits than its factorization.

2020321223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25254015302 (or 25254015296 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2020321223120 its reverse (213221230202), we get a palindrome (2233542453322).

The spelling of 2020321223120 in words is "two trillion, twenty billion, three hundred twenty-one million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 25254015289 50508030578 101016061156 126270076445 202032122312 252540152890 404064244624 505080305780 1010160611560 2020321223120