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20120330 = 252012033
BaseRepresentation
bin100110011000…
…0001100001010
31101212012220102
41030300030022
520122322310
61555125402
7333006566
oct114601412
941765812
1020120330
11103a277a
1268a3862
134226129
14295a6a6
151b768a5
hex133030a

20120330 has 8 divisors (see below), whose sum is σ = 36216612. Its totient is φ = 8048128.

The previous prime is 20120323. The next prime is 20120363. The reversal of 20120330 is 3302102.

It can be written as a sum of positive squares in 2 ways, for example, as 19351201 + 769129 = 4399^2 + 877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1006007 + ... + 1006026.

Almost surely, 220120330 is an apocalyptic number.

20120330 is a deficient number, since it is larger than the sum of its proper divisors (16096282).

20120330 is a wasteful number, since it uses less digits than its factorization.

20120330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012040.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20120330 is about 4485.5690831822. The cubic root of 20120330 is about 271.9850500001.

Adding to 20120330 its reverse (3302102), we get a palindrome (23422432).

The spelling of 20120330 in words is "twenty million, one hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 2012033 4024066 10060165 20120330