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120531114020 = 2258980983701
BaseRepresentation
bin111000001000000110…
…1101101100000100100
3102112010000112222222002
41300100031231200210
53433321431122040
6131212104024432
711464605364532
oct1602015554044
9375100488862
10120531114020
1147131742a29
121b439762118
13b49b244515
145b95abb152
153206917a15
hex1c1036d824

120531114020 has 48 divisors (see below), whose sum is σ = 256278783600. Its totient is φ = 47611238400.

The previous prime is 120531113957. The next prime is 120531114059. The reversal of 120531114020 is 20411135021.

It can be written as a sum of positive squares in 8 ways, for example, as 17140570084 + 103390543936 = 130922^2 + 321544^2 .

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 = 120531113983 and 120531114001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398170 + ... + 1481870.

It is an arithmetic number, because the mean of its divisors is an integer number (5339141325).

Almost surely, 2120531114020 is an apocalyptic number.

120531114020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120531114020 is an abundant number, since it is smaller than the sum of its proper divisors (135747669580).

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

120531114020 is a wasteful number, since it uses less digits than its factorization.

120531114020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84608 (or 84606 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 120531114020 its reverse (20411135021), we get a palindrome (140942249041).

The spelling of 120531114020 in words is "one hundred twenty billion, five hundred thirty-one million, one hundred fourteen thousand, twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 809 890 1618 1780 3236 4045 8090 16180 72001 83701 144002 167402 288004 334804 360005 418505 720010 837010 1440020 1674020 7449389 14898778 29797556 37246945 67714109 74493890 135428218 148987780 270856436 338570545 677141090 1354282180 6026555701 12053111402 24106222804 30132778505 60265557010 120531114020