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20000230302 = 2313219724093
BaseRepresentation
bin10010101000000110…
…110100101110011110
31220121211221222011110
4102220012310232132
5311430024332202
613104334202450
71305424103223
oct225006645636
956554858143
1020000230302
118533677058
123a62053426
131b69758700
14d7a34594a
157c0cb426c
hex4a81b4b9e

20000230302 has 24 divisors (see below), whose sum is σ = 43314110424. Its totient is φ = 6153916704.

The previous prime is 20000230273. The next prime is 20000230307. The reversal of 20000230302 is 20303200002.

It is a super-2 number, since 2×200002303022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000230307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9861033 + ... + 9863060.

It is an arithmetic number, because the mean of its divisors is an integer number (1804754601).

Almost surely, 220000230302 is an apocalyptic number.

20000230302 is an abundant number, since it is smaller than the sum of its proper divisors (23313880122).

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

20000230302 is a wasteful number, since it uses less digits than its factorization.

20000230302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19724124 (or 19724111 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 20000230302 its reverse (20303200002), we get a palindrome (40303430304).

The spelling of 20000230302 in words is "twenty billion, two hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 19724093 39448186 59172279 118344558 256413209 512826418 769239627 1538479254 3333371717 6666743434 10000115151 20000230302