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20331220101329 = 547109873382961
BaseRepresentation
bin1001001111101101110110…
…01001101110100011010001
32122222122102200112000011002
410213312323021232203101
510131101314321220304
6111124011130231345
74165611405311654
oct447667311564321
978878380460132
1020331220101329
116529470793575
1223443b0585555
13b462c21b9487
1450407188b89b
15253cdd32a31e
hex127dbb26e8d1

20331220101329 has 8 divisors (see below), whose sum is σ = 20370248577888. Its totient is φ = 20292198413760.

The previous prime is 20331220101287. The next prime is 20331220101341. The reversal of 20331220101329 is 92310102213302.

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

It is a cyclic number.

It is not a de Polignac number, because 20331220101329 - 216 = 20331220035793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331220401329) 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, 4318409 + ... + 7701369.

It is an arithmetic number, because the mean of its divisors is an integer number (2546281072236).

Almost surely, 220331220101329 is an apocalyptic number.

It is an amenable number.

20331220101329 is a deficient number, since it is larger than the sum of its proper divisors (39028476559).

20331220101329 is a wasteful number, since it uses less digits than its factorization.

20331220101329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394495.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 20331220101329 in words is "twenty trillion, three hundred thirty-one billion, two hundred twenty million, one hundred one thousand, three hundred twenty-nine".

Divisors: 1 547 10987 3382961 6009889 1850479667 37168592507 20331220101329