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202103320220 = 22510105166011
BaseRepresentation
bin1011110000111001001…
…0111110111010011100
3201022122221001102102022
42330032102332322130
511302401422221340
6232502303315312
720413210606634
oct2741622767234
9638587042368
10202103320220
117879106787a
1233203babb38
131609b000359
149ad35936c4
1553cce453b5
hex2f0e4bee9c

202103320220 has 12 divisors (see below), whose sum is σ = 424416972504. Its totient is φ = 80841328080.

The previous prime is 202103320187. The next prime is 202103320267. The reversal of 202103320220 is 22023301202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5052582986 + ... + 5052583025.

It is an arithmetic number, because the mean of its divisors is an integer number (35368081042).

Almost surely, 2202103320220 is an apocalyptic number.

202103320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202103320220 is an abundant number, since it is smaller than the sum of its proper divisors (222313652284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202103320220 is a wasteful number, since it uses less digits than its factorization.

202103320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105166020 (or 10105166018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 202103320220 its reverse (22023301202), we get a palindrome (224126621422).

The spelling of 202103320220 in words is "two hundred two billion, one hundred three million, three hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10105166011 20210332022 40420664044 50525830055 101051660110 202103320220