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20302213121203 = 1321764310989977
BaseRepresentation
bin1001001110110111110100…
…01100111000010010110011
32122212212120010202201221211
410213123322030320102303
510130112413024334303
6111102412530100551
74163533524122536
oct447337214702263
978785503681854
1020302213121203
116518136036022
12233a85611a757
13b4364b789400
145028bd294a1d
152531919a466d
hex1276fa3384b3

20302213121203 has 24 divisors (see below), whose sum is σ = 23313435970608. Its totient is φ = 17610689221632.

The previous prime is 20302213121191. The next prime is 20302213121207. The reversal of 20302213121203 is 30212131220302.

It is not a de Polignac number, because 20302213121203 - 29 = 20302213120691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302213121207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3647650 + ... + 7342327.

It is an arithmetic number, because the mean of its divisors is an integer number (971393165442).

Almost surely, 220302213121203 is an apocalyptic number.

20302213121203 is a deficient number, since it is larger than the sum of its proper divisors (3011222849405).

20302213121203 is a wasteful number, since it uses less digits than its factorization.

20302213121203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990663 (or 10990650 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20302213121203 its reverse (30212131220302), we get a palindrome (50514344341505).

The spelling of 20302213121203 in words is "twenty trillion, three hundred two billion, two hundred thirteen million, one hundred twenty-one thousand, two hundred three".

Divisors: 1 13 17 169 221 643 2873 8359 10931 108667 142103 1847339 10989977 142869701 186829609 1857306113 2428784917 7066555211 31574203921 91865217743 120131438587 1194247830659 1561708701631 20302213121203