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20003230230 = 2355393123637
BaseRepresentation
bin10010101000010010…
…010001001000010110
31220122001121101021220
4102220102101020112
5311431311331410
613104522351210
71305461436324
oct225022211026
956561541256
1020003230230
118535335a35
123a6305b506
131b6a269009
14d7a8c6d14
157c11a8070
hex4a8491216

20003230230 has 32 divisors (see below), whose sum is σ = 48017042784. Its totient is φ = 5333162496.

The previous prime is 20003230207. The next prime is 20003230241. The reversal of 20003230230 is 3203230002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99972 + ... + 223608.

It is an arithmetic number, because the mean of its divisors is an integer number (1500532587).

Almost surely, 220003230230 is an apocalyptic number.

20003230230 is an abundant number, since it is smaller than the sum of its proper divisors (28013812554).

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

20003230230 is a wasteful number, since it uses less digits than its factorization.

20003230230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129040.

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20003230230 its reverse (3203230002), we get a palindrome (23206460232).

The spelling of 20003230230 in words is "twenty billion, three million, two hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5393 10786 16179 26965 32358 53930 80895 123637 161790 247274 370911 618185 741822 1236370 1854555 3709110 666774341 1333548682 2000323023 3333871705 4000646046 6667743410 10001615115 20003230230