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120230010020 = 225233159142903
BaseRepresentation
bin110111111111001000…
…1000101110010100100
3102111100000222022221002
41233332101011302210
53432212340310040
6131122150212432
711454261136361
oct1577621056244
9374300868832
10120230010020
1146a9778504a
121b374954118
13b450a4b083
145b67adb468
1531da28ba15
hex1bfe445ca4

120230010020 has 96 divisors (see below), whose sum is σ = 276570685440. Its totient is φ = 43762308480.

The previous prime is 120230010013. The next prime is 120230010023. The reversal of 120230010020 is 20010032021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120230009983 and 120230010010.

It is not an unprimeable number, because it can be changed into a prime (120230010023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 769889 + ... + 912791.

It is an arithmetic number, because the mean of its divisors is an integer number (2880944640).

Almost surely, 2120230010020 is an apocalyptic number.

120230010020 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 120230010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138285342720).

120230010020 is an abundant number, since it is smaller than the sum of its proper divisors (156340675420).

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

120230010020 is a wasteful number, since it uses less digits than its factorization.

120230010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143025 (or 143023 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 120230010020 its reverse (20010032021), we get a palindrome (140240042041).

The spelling of 120230010020 in words is "one hundred twenty billion, two hundred thirty million, ten thousand, twenty".

Divisors: 1 2 4 5 10 20 23 31 46 59 62 92 115 118 124 155 230 236 295 310 460 590 620 713 1180 1357 1426 1829 2714 2852 3565 3658 5428 6785 7130 7316 9145 13570 14260 18290 27140 36580 42067 84134 142903 168268 210335 285806 420670 571612 714515 841340 1429030 2858060 3286769 4429993 6573538 8431277 8859986 13147076 16433845 16862554 17719972 22149965 32867690 33725108 42156385 44299930 65735380 84312770 88599860 101889839 168625540 193919371 203779678 261369587 387838742 407559356 509449195 522739174 775677484 969596855 1018898390 1045478348 1306847935 1939193710 2037796780 2613695870 3878387420 5227391740 6011500501 12023001002 24046002004 30057502505 60115005010 120230010020