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202342220 = 22510117111
BaseRepresentation
bin11000000111101…
…11111101001100
3112002202001100022
430003313331030
5403244422340
632024521312
75004611003
oct1403677514
9462661308
10202342220
11a4242783
1257920238
1332bc7432
141cc31c3a
1512b6d3b5
hexc0f7f4c

202342220 has 12 divisors (see below), whose sum is σ = 424918704. Its totient is φ = 80936880.

The previous prime is 202342213. The next prime is 202342241. The reversal of 202342220 is 22243202.

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, 5058536 + ... + 5058575.

It is an arithmetic number, because the mean of its divisors is an integer number (35409892).

Almost surely, 2202342220 is an apocalyptic number.

202342220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202342220 is an abundant number, since it is smaller than the sum of its proper divisors (222576484).

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

202342220 is a wasteful number, since it uses less digits than its factorization.

202342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117120 (or 10117118 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 202342220 is about 14224.7045663522. The cubic root of 202342220 is about 587.0775910366.

Adding to 202342220 its reverse (22243202), we get a palindrome (224585422).

The spelling of 202342220 in words is "two hundred two million, three hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10117111 20234222 40468444 50585555 101171110 202342220