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20221010210201 = 137147598614673
BaseRepresentation
bin1001001100100000100100…
…01000010110110110011001
32122121002221222011110021112
410212100102020112312121
510122300112103211301
6111001223121550105
74154630324560013
oct446202210266631
978532858143245
1020221010210201
116496756115119
122326b734a5335
13b38aaa381148
144dc9b886d1b3
15250edcac29bb
hex126412216d99

20221010210201 has 4 divisors (see below), whose sum is σ = 20368608825012. Its totient is φ = 20073411595392.

The previous prime is 20221010210153. The next prime is 20221010210207. The reversal of 20221010210201 is 10201201012202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9461166961801 + 10759843248400 = 3075901^2 + 3280220^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221010210201 - 234 = 20203830341017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221010210207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73799307200 + ... + 73799307473.

It is an arithmetic number, because the mean of its divisors is an integer number (5092152206253).

Almost surely, 220221010210201 is an apocalyptic number.

It is an amenable number.

20221010210201 is a deficient number, since it is larger than the sum of its proper divisors (147598614811).

20221010210201 is a wasteful number, since it uses less digits than its factorization.

20221010210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147598614810.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221010210201 its reverse (10201201012202), we get a palindrome (30422211222403).

The spelling of 20221010210201 in words is "twenty trillion, two hundred twenty-one billion, ten million, two hundred ten thousand, two hundred one".

Divisors: 1 137 147598614673 20221010210201