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20122122021120 = 28345727725587
BaseRepresentation
bin1001001001101000010111…
…11011110110100100000000
32122020122201021120221220000
410210310023323312210000
510114140101214133440
6110443550352520000
74144526641045530
oct444641373664400
978218637527800
1020122122021120
116458820331019
12230b975b50000
13b2c67acc92b2
144d7cb73434c0
1524d6512a3730
hex124d0bef6900

20122122021120 has 360 divisors, whose sum is σ = 82286439918144. Its totient is φ = 4599342010368.

The previous prime is 20122122021107. The next prime is 20122122021161. The reversal of 20122122021120 is 2112022122102.

It is a happy number.

20122122021120 is a `hidden beast` number, since 201 + 2 + 212 + 20 + 211 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20122122021093 and 20122122021102.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13137034 + ... + 14588553.

Almost surely, 220122122021120 is an apocalyptic number.

20122122021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122122021120 is an abundant number, since it is smaller than the sum of its proper divisors (62164317897024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122122021120 is an equidigital number, since it uses as much as digits as its factorization.

20122122021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27725627 (or 27725604 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20122122021120 its reverse (2112022122102), we get a palindrome (22234144143222).

The spelling of 20122122021120 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty".