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20122223112201 = 371733552914657
BaseRepresentation
bin1001001001101000100011…
…11101011111000000001001
32122020122222022210220210010
410210310101331133000021
510114140303104042301
6110444004403342133
74144532306233650
oct444642175370011
978218868726703
1020122223112201
1164588723a8271
12230b9a3981949
13b2c695c325c2
144d7cc693a197
1524d65a0c15d6
hex124d11f5f009

20122223112201 has 16 divisors (see below), whose sum is σ = 30680128543104. Its totient is φ = 11491778210304.

The previous prime is 20122223112157. The next prime is 20122223112223. The reversal of 20122223112201 is 10221132222102.

It is not a de Polignac number, because 20122223112201 - 214 = 20122223095817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20122223122201) 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, 276420936 + ... + 276493721.

It is an arithmetic number, because the mean of its divisors is an integer number (1917508033944).

Almost surely, 220122223112201 is an apocalyptic number.

20122223112201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20122223112201 is a deficient number, since it is larger than the sum of its proper divisors (10557905430903).

20122223112201 is a wasteful number, since it uses less digits than its factorization.

20122223112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552916400.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20122223112201 its reverse (10221132222102), we get a palindrome (30343355334303).

The spelling of 20122223112201 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-three million, one hundred twelve thousand, two hundred one".

Divisors: 1 3 7 21 1733 5199 12131 36393 552914657 1658743971 3870402599 11611207797 958201100581 2874603301743 6707407704067 20122223112201