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20023312234 = 213972026303
BaseRepresentation
bin10010101001011110…
…110111111101101010
31220200110101122121211
4102221132313331222
5312001431442414
613110521023334
71306124226412
oct225136677552
956613348554
1020023312234
118545701932
123a69924b4a
131b7147a863
14d7d433642
157c2d233c4
hex4a97b7f6a

20023312234 has 8 divisors (see below), whose sum is σ = 30251047680. Its totient is φ = 9939629676.

The previous prime is 20023312223. The next prime is 20023312261. The reversal of 20023312234 is 43221332002.

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, 36012874 + ... + 36013429.

It is an arithmetic number, because the mean of its divisors is an integer number (3781380960).

Almost surely, 220023312234 is an apocalyptic number.

20023312234 is a deficient number, since it is larger than the sum of its proper divisors (10227735446).

20023312234 is a wasteful number, since it uses less digits than its factorization.

20023312234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72026444.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20023312234 its reverse (43221332002), we get a palindrome (63244644236).

The spelling of 20023312234 in words is "twenty billion, twenty-three million, three hundred twelve thousand, two hundred thirty-four".

Divisors: 1 2 139 278 72026303 144052606 10011656117 20023312234