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20023310211 = 343155219459
BaseRepresentation
bin10010101001011110…
…110111011110000011
31220200110101112211220
4102221132313132003
5312001431411321
613110521010123
71306124220462
oct225136673603
956613345756
1020023310211
118545700363
123a69923943
131b71479968
14d7d4329d9
157c2d229c6
hex4a97b7783

20023310211 has 8 divisors (see below), whose sum is σ = 27318624960. Its totient is φ = 13038434472.

The previous prime is 20023310173. The next prime is 20023310221. The reversal of 20023310211 is 11201332002.

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

It is not a de Polignac number, because 20023310211 - 26 = 20023310147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023310221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77609601 + ... + 77609858.

It is an arithmetic number, because the mean of its divisors is an integer number (3414828120).

Almost surely, 220023310211 is an apocalyptic number.

20023310211 is a deficient number, since it is larger than the sum of its proper divisors (7295314749).

20023310211 is a wasteful number, since it uses less digits than its factorization.

20023310211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155219505.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20023310211 its reverse (11201332002), we get a palindrome (31224642213).

The spelling of 20023310211 in words is "twenty billion, twenty-three million, three hundred ten thousand, two hundred eleven".

Divisors: 1 3 43 129 155219459 465658377 6674436737 20023310211