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20020022201101 = 132118461669829
BaseRepresentation
bin1001000110101010001100…
…10011111100101100001101
32121212220011202202201002111
410203111012103330230031
510111002001140413401
6110325023215224021
74134253545643006
oct443250623745415
977786152681074
1020020022201101
11641949768007a
1222b4020b18011
13b22b59462900
144d2d8d4821ad
1524ab77a39e51
hex1235464fcb0d

20020022201101 has 6 divisors (see below), whose sum is σ = 21678485578890. Its totient is φ = 18480020493168.

The previous prime is 20020022201099. The next prime is 20020022201111. The reversal of 20020022201101 is 10110222002002.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2109131721225 + 17910890479876 = 1452285^2 + 4232126^2 .

It is not a de Polignac number, because 20020022201101 - 21 = 20020022201099 is a prime.

It is a super-2 number, since 2×200200222011012 (a number of 27 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020022201111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59230834746 + ... + 59230835083.

It is an arithmetic number, because the mean of its divisors is an integer number (3613080929815).

Almost surely, 220020022201101 is an apocalyptic number.

It is an amenable number.

20020022201101 is a deficient number, since it is larger than the sum of its proper divisors (1658463377789).

20020022201101 is a wasteful number, since it uses less digits than its factorization.

20020022201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118461669855 (or 118461669842 counting only the distinct ones).

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

Adding to 20020022201101 its reverse (10110222002002), we get a palindrome (30130244203103).

The spelling of 20020022201101 in words is "twenty trillion, twenty billion, twenty-two million, two hundred one thousand, one hundred one".

Divisors: 1 13 169 118461669829 1540001707777 20020022201101