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202043204420 = 22510992680369
BaseRepresentation
bin1011110000101010110…
…1101010001101000100
3201022111201221020001012
42330022231222031010
511302241030020140
6232452315021352
720411550621131
oct2741255521504
9638451836035
10202043204420
11787601379a2
12331a7a3a858
131608b712785
149ac95c5588
1553c7a1d265
hex2f0ab6a344

202043204420 has 24 divisors (see below), whose sum is σ = 428183309400. Its totient is φ = 80075837952.

The previous prime is 202043204411. The next prime is 202043204423. The reversal of 202043204420 is 24402340202.

202043204420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 69424872196 + 132618332224 = 263486^2 + 364168^2 .

It is not an unprimeable number, because it can be changed into a prime (202043204423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46338005 + ... + 46342364.

It is an arithmetic number, because the mean of its divisors is an integer number (17840971225).

Almost surely, 2202043204420 is an apocalyptic number.

202043204420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202043204420 is an abundant number, since it is smaller than the sum of its proper divisors (226140104980).

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

202043204420 is a wasteful number, since it uses less digits than its factorization.

202043204420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92680487 (or 92680485 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 202043204420 its reverse (24402340202), we get a palindrome (226445544622).

The spelling of 202043204420 in words is "two hundred two billion, forty-three million, two hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 92680369 185360738 370721476 463401845 926803690 1853607380 10102160221 20204320442 40408640884 50510801105 101021602210 202043204420