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20020102203 = 36673367401
BaseRepresentation
bin10010101001010010…
…101000010000111011
31220200020100120021210
4102221102220100323
5312000121232303
613110324134203
71306055026623
oct225122502073
956606316253
1020020102203
11854390a112
123a68837363
131b708c572a
14d7cc39883
157c28dc203
hex4a94a843b

20020102203 has 4 divisors (see below), whose sum is σ = 26693469608. Its totient is φ = 13346734800.

The previous prime is 20020102177. The next prime is 20020102231. The reversal of 20020102203 is 30220102002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20020102203 - 25 = 20020102171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020102243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3336683698 + ... + 3336683703.

It is an arithmetic number, because the mean of its divisors is an integer number (6673367402).

Almost surely, 220020102203 is an apocalyptic number.

20020102203 is a deficient number, since it is larger than the sum of its proper divisors (6673367405).

20020102203 is an equidigital number, since it uses as much as digits as its factorization.

20020102203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673367404.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20020102203 its reverse (30220102002), we get a palindrome (50240204205).

The spelling of 20020102203 in words is "twenty billion, twenty million, one hundred two thousand, two hundred three".

Divisors: 1 3 6673367401 20020102203