Search a number
-
+
120220120 = 2353005503
BaseRepresentation
bin1110010101001…
…10100111011000
322101012211000001
413022212213120
5221234020440
615532422344
72656565656
oct712464730
9271184001
10120220120
1161952179
12343179b4
131bba3187
1411d75dd6
15a84ab9a
hex72a69d8

120220120 has 16 divisors (see below), whose sum is σ = 270495360. Its totient is φ = 48088032.

The previous prime is 120220117. The next prime is 120220153. The reversal of 120220120 is 21022021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120220097 and 120220106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502712 + ... + 1502791.

It is an arithmetic number, because the mean of its divisors is an integer number (16905960).

Almost surely, 2120220120 is an apocalyptic number.

120220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120220120 is an abundant number, since it is smaller than the sum of its proper divisors (150275240).

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

120220120 is a wasteful number, since it uses less digits than its factorization.

120220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005514 (or 3005510 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 120220120 is about 10964.4936043577. The cubic root of 120220120 is about 493.5438209824.

Adding to 120220120 its reverse (21022021), we get a palindrome (141242141).

The spelling of 120220120 in words is "one hundred twenty million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3005503 6011006 12022012 15027515 24044024 30055030 60110060 120220120