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20303131022033 = 296710449372631
BaseRepresentation
bin1001001110111001100001…
…11010011001001011010001
32122212221221002221221011212
410213130300322121023101
510130121303020201113
6111103043555545505
74163565341135336
oct447346072311321
978787832857155
1020303131022033
116518567184552
12233aa715bb295
13b437669ac8b2
1450296915098d
152531e736a0a8
hex127730e992d1

20303131022033 has 8 divisors (see below), whose sum is σ = 21316720169280. Its totient is φ = 19310440620240.

The previous prime is 20303131021993. The next prime is 20303131022101. The reversal of 20303131022033 is 33022013130302.

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 20303131022033 - 28 = 20303131021777 is a prime.

It is a super-2 number, since 2×203031310220332 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20303131027033) 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, 5224684373 + ... + 5224688258.

It is an arithmetic number, because the mean of its divisors is an integer number (2664590021160).

Almost surely, 220303131022033 is an apocalyptic number.

It is an amenable number.

20303131022033 is a deficient number, since it is larger than the sum of its proper divisors (1013589147247).

20303131022033 is a wasteful number, since it uses less digits than its factorization.

20303131022033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10449372727.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20303131022033 its reverse (33022013130302), we get a palindrome (53325144152335).

The spelling of 20303131022033 in words is "twenty trillion, three hundred three billion, one hundred thirty-one million, twenty-two thousand, thirty-three".

Divisors: 1 29 67 1943 10449372631 303031806299 700107966277 20303131022033