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120223020 = 22355633559
BaseRepresentation
bin1110010101001…
…11010100101100
322101012221222110
413022213110230
5221234114040
615532444020
72656610301
oct712472454
9271187873
10120223020
1161954375
1234319610
131bba45a8
1411d770a8
15a84b980
hex72a752c

120223020 has 48 divisors (see below), whose sum is σ = 337317120. Its totient is φ = 31993536.

The previous prime is 120223007. The next prime is 120223021. The reversal of 120223020 is 20322021.

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 = 120222987 and 120223005.

It is not an unprimeable number, because it can be changed into a prime (120223021) 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, 32001 + ... + 35559.

It is an arithmetic number, because the mean of its divisors is an integer number (7027440).

Almost surely, 2120223020 is an apocalyptic number.

120223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120223020 is an abundant number, since it is smaller than the sum of its proper divisors (217094100).

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

120223020 is a wasteful number, since it uses less digits than its factorization.

120223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134 (or 4132 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 120223020 is about 10964.6258486097. The cubic root of 120223020 is about 493.5477894406.

Adding to 120223020 its reverse (20322021), we get a palindrome (140545041).

Subtracting from 120223020 its reverse (20322021), we obtain a palindrome (99900999).

The spelling of 120223020 in words is "one hundred twenty million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 563 1126 1689 2252 2815 3378 3559 5630 6756 7118 8445 10677 11260 14236 16890 17795 21354 33780 35590 42708 53385 71180 106770 213540 2003717 4007434 6011151 8014868 10018585 12022302 20037170 24044604 30055755 40074340 60111510 120223020