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202022010002221 = 439460186810939
BaseRepresentation
bin101101111011110011101010…
…001001001001101100101101
3222111022010010020011212110221
4231323303222021021230231
5202434412034030032341
61553355344041131341
760360415510620343
oct5573635211115455
9874263106155427
10202022010002221
1159409064a41612
121a7a9276489b51
138895794767ab6
1437c5cbb6d9993
1518550c94c3ed1
hexb7bcea249b2d

202022010002221 has 4 divisors (see below), whose sum is σ = 202482196813600. Its totient is φ = 201561823190844.

The previous prime is 202022010002161. The next prime is 202022010002347. The reversal of 202022010002221 is 122200010220202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202022010002221 - 27 = 202022010002093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202022010002195 and 202022010002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022010000221) 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, 230093405031 + ... + 230093405908.

It is an arithmetic number, because the mean of its divisors is an integer number (50620549203400).

Almost surely, 2202022010002221 is an apocalyptic number.

It is an amenable number.

202022010002221 is a deficient number, since it is larger than the sum of its proper divisors (460186811379).

202022010002221 is an equidigital number, since it uses as much as digits as its factorization.

202022010002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460186811378.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202022010002221 its reverse (122200010220202), we get a palindrome (324222020222423).

The spelling of 202022010002221 in words is "two hundred two trillion, twenty-two billion, ten million, two thousand, two hundred twenty-one".

Divisors: 1 439 460186810939 202022010002221