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202120002201 = 31331167179489
BaseRepresentation
bin1011110000111101001…
…0100111101010011001
3201022201002102221210110
42330033102213222121
511302420210032301
6232504101034533
720413502446305
oct2741722475231
9638632387713
10202120002201
117879a521237
12332096b5a49
13160a15c1450
149ad5896d05
1553ce63d0d6
hex2f0f4a7a99

202120002201 has 16 divisors (see below), whose sum is σ = 299585646080. Its totient is φ = 120369231360.

The previous prime is 202120002179. The next prime is 202120002269. The reversal of 202120002201 is 102200021202.

It is not a de Polignac number, because 202120002201 - 26 = 202120002137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202120002901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83588536 + ... + 83590953.

It is an arithmetic number, because the mean of its divisors is an integer number (18724102880).

Almost surely, 2202120002201 is an apocalyptic number.

It is an amenable number.

202120002201 is a deficient number, since it is larger than the sum of its proper divisors (97465643879).

202120002201 is a wasteful number, since it uses less digits than its factorization.

202120002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167179536.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202120002201 its reverse (102200021202), we get a palindrome (304320023403).

The spelling of 202120002201 in words is "two hundred two billion, one hundred twenty million, two thousand, two hundred one".

Divisors: 1 3 13 31 39 93 403 1209 167179489 501538467 2173333357 5182564159 6520000071 15547692477 67373334067 202120002201