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120101032020 = 223519310371419
BaseRepresentation
bin110111111011010010…
…1000101000001010100
3102111000001021120101010
41233312211011001110
53431431331011040
6131101301532220
711451133633254
oct1576645050124
9374001246333
10120101032020
1146a309a0a62
121b339714070
13b4300cc828
145b54925964
1531cdcb0e80
hex1bf6945054

120101032020 has 48 divisors (see below), whose sum is σ = 338025320640. Its totient is φ = 31860996096.

The previous prime is 120101032003. The next prime is 120101032027. The reversal of 120101032020 is 20230101021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120101031987 and 120101032005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101032027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5174130 + ... + 5197289.

It is an arithmetic number, because the mean of its divisors is an integer number (7042194180).

Almost surely, 2120101032020 is an apocalyptic number.

120101032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101032020 is an abundant number, since it is smaller than the sum of its proper divisors (217924288620).

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

120101032020 is a wasteful number, since it uses less digits than its factorization.

120101032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10371624 (or 10371622 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120101032020 its reverse (20230101021), we get a palindrome (140331133041).

The spelling of 120101032020 in words is "one hundred twenty billion, one hundred one million, thirty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 193 386 579 772 965 1158 1930 2316 2895 3860 5790 11580 10371419 20742838 31114257 41485676 51857095 62228514 103714190 124457028 155571285 207428380 311142570 622285140 2001683867 4003367734 6005051601 8006735468 10008419335 12010103202 20016838670 24020206404 30025258005 40033677340 60050516010 120101032020