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120220 = 2256011
BaseRepresentation
bin11101010110011100
320002220121
4131112130
512321340
62324324
71010332
oct352634
9202817
10120220
1182361
12596a4
1342949
1431b52
152594a
hex1d59c

120220 has 12 divisors (see below), whose sum is σ = 252504. Its totient is φ = 48080.

The previous prime is 120209. The next prime is 120223. The reversal of 120220 is 22021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120223) by changing a digit.

120220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2986 + ... + 3025.

It is an arithmetic number, because the mean of its divisors is an integer number (21042).

2120220 is an apocalyptic number.

120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120220 is an abundant number, since it is smaller than the sum of its proper divisors (132284).

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

120220 is a wasteful number, since it uses less digits than its factorization.

120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020 (or 6018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 120220 is about 346.7275587547. The cubic root of 120220 is about 49.3543656769.

Adding to 120220 its reverse (22021), we get a palindrome (142241).

The spelling of 120220 in words is "one hundred twenty thousand, two hundred twenty", and thus it is an iban number.