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20022112201 = 7131934933181
BaseRepresentation
bin10010101001011010…
…010010111111001001
31220200101010200111011
4102221122102333021
5312001130042301
613110435203521
71306111100650
oct225132227711
956611120434
1020022112201
118544a62273
123a694465a1
131b7114a590
14d7d200197
157c2b87a51
hex4a9692fc9

20022112201 has 32 divisors (see below), whose sum is σ = 26014688000. Its totient is φ = 14964445440.

The previous prime is 20022112199. The next prime is 20022112207. The reversal of 20022112201 is 10221122002.

It is a happy number.

It is not a de Polignac number, because 20022112201 - 21 = 20022112199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (20022112207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586831 + ... + 620011.

It is an arithmetic number, because the mean of its divisors is an integer number (812959000).

Almost surely, 220022112201 is an apocalyptic number.

It is an amenable number.

20022112201 is a deficient number, since it is larger than the sum of its proper divisors (5992575799).

20022112201 is a wasteful number, since it uses less digits than its factorization.

20022112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33569.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20022112201 its reverse (10221122002), we get a palindrome (30243234203).

The spelling of 20022112201 in words is "twenty billion, twenty-two million, one hundred twelve thousand, two hundred one".

Divisors: 1 7 13 19 91 133 247 349 1729 2443 4537 6631 31759 33181 46417 86203 232267 431353 603421 630439 3019471 4413073 8195707 11580169 57369949 81061183 150542197 220023211 1053795379 1540162477 2860301743 20022112201