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20021341203 = 3221110543097
BaseRepresentation
bin10010101001010111…
…010110110000010011
31220200022200111212200
4102221113112300103
5312000430404303
613110410454243
71306101410103
oct225127266023
956608614780
1020021341203
118544585a86
123a69134383
131b70c3a676
14d7d07d203
157c2a843a3
hex4a95d6c13

20021341203 has 12 divisors (see below), whose sum is σ = 29056778088. Its totient is φ = 13284300960.

The previous prime is 20021341169. The next prime is 20021341259. The reversal of 20021341203 is 30214312002.

It is not a de Polignac number, because 20021341203 - 230 = 18947599379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20021341603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5269650 + ... + 5273447.

It is an arithmetic number, because the mean of its divisors is an integer number (2421398174).

Almost surely, 220021341203 is an apocalyptic number.

20021341203 is a deficient number, since it is larger than the sum of its proper divisors (9035436885).

20021341203 is a wasteful number, since it uses less digits than its factorization.

20021341203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543314 (or 10543311 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20021341203 its reverse (30214312002), we get a palindrome (50235653205).

The spelling of 20021341203 in words is "twenty billion, twenty-one million, three hundred forty-one thousand, two hundred three".

Divisors: 1 3 9 211 633 1899 10543097 31629291 94887873 2224593467 6673780401 20021341203