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3230220020 = 225198500579
BaseRepresentation
bin1100000010001001…
…0011111011110100
322100010020011211112
43000202103323310
523103414020040
61252310454152
7143022263036
oct30042237364
98303204745
103230220020
111408414125
12761964358
133c62bc9c1
14229013c56
1513d8bc365
hexc0893ef4

3230220020 has 24 divisors (see below), whose sum is σ = 7140487200. Its totient is φ = 1224083232.

The previous prime is 3230220011. The next prime is 3230220041. The reversal of 3230220020 is 200220323.

It is a junction number, because it is equal to n+sod(n) for n = 3230219977 and 3230220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4249910 + ... + 4250669.

It is an arithmetic number, because the mean of its divisors is an integer number (297520300).

Almost surely, 23230220020 is an apocalyptic number.

It is an amenable number.

3230220020 is an abundant number, since it is smaller than the sum of its proper divisors (3910267180).

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

3230220020 is a wasteful number, since it uses less digits than its factorization.

3230220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500607 (or 8500605 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 3230220020 is about 56835.0245887164. The cubic root of 3230220020 is about 1478.2368857166.

Adding to 3230220020 its reverse (200220323), we get a palindrome (3430440343).

The spelling of 3230220020 in words is "three billion, two hundred thirty million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 8500579 17001158 34002316 42502895 85005790 161511001 170011580 323022002 646044004 807555005 1615110010 3230220020