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202432432220 = 22510121621611
BaseRepresentation
bin1011110010000111101…
…0011100100001011100
3201100111212100001012122
42330201322130201130
511304040200312340
6232555101322112
720424315166064
oct2744172344134
9640455301178
10202432432220
117893a915567
1233296266338
1316121251b95
149b251843a4
1553ebca4db5
hex2f21e9c85c

202432432220 has 12 divisors (see below), whose sum is σ = 425108107704. Its totient is φ = 80972972880.

The previous prime is 202432432201. The next prime is 202432432273. The reversal of 202432432220 is 22234234202.

202432432220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2024324322202 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202432432220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5060810786 + ... + 5060810825.

It is an arithmetic number, because the mean of its divisors is an integer number (35425675642).

Almost surely, 2202432432220 is an apocalyptic number.

202432432220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202432432220 is an abundant number, since it is smaller than the sum of its proper divisors (222675675484).

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

202432432220 is a wasteful number, since it uses less digits than its factorization.

202432432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121621620 (or 10121621618 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 202432432220 its reverse (22234234202), we get a palindrome (224666666422).

The spelling of 202432432220 in words is "two hundred two billion, four hundred thirty-two million, four hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10121621611 20243243222 40486486444 50608108055 101216216110 202432432220