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20102320330 = 252010232033
BaseRepresentation
bin10010101110001100…
…010001000011001010
31220212222001200100121
4102232030101003022
5312132143222310
613122422253454
71311103621621
oct225614210312
956788050317
1020102320330
118586265884
123a9028728a
131b84951601
14d89b1c6b8
157c9c2d0da
hex4ae3110ca

20102320330 has 8 divisors (see below), whose sum is σ = 36184176612. Its totient is φ = 8040928128.

The previous prime is 20102320307. The next prime is 20102320331. The reversal of 20102320330 is 3302320102.

It can be written as a sum of positive squares in 2 ways, for example, as 19504077649 + 598242681 = 139657^2 + 24459^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20102320331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005116007 + ... + 1005116026.

Almost surely, 220102320330 is an apocalyptic number.

20102320330 is a deficient number, since it is larger than the sum of its proper divisors (16081856282).

20102320330 is a wasteful number, since it uses less digits than its factorization.

20102320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010232040.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20102320330 its reverse (3302320102), we get a palindrome (23404640432).

The spelling of 20102320330 in words is "twenty billion, one hundred two million, three hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 2010232033 4020464066 10051160165 20102320330