1144120300020 has 72 divisors (see below), whose sum is σ = 3497825071104. Its totient is φ = 302696388288.

The previous prime is 1144120299961. The next prime is 1144120300097. The reversal of 1144120300020 is 200030214411.

1144120300020 is a `hidden beast` number, since 1 + 1 + 441 + 203 + 0 + 0 + 0 + 20 = 666.

It is a super-2 number, since 2×1144120300020² (a number of 25 digits) contains 22 as substring.

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 = 1144120299966 and 1144120300002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25001644 + ... + 25047363.

Almost surely, 2^{1144120300020} is an apocalyptic number.

1144120300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144120300020 is an abundant number, since it is smaller than the sum of its proper divisors (2353704771084).

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

1144120300020 is a wasteful number, since it uses less digits than its factorization.

1144120300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50049149 (or 50049144 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1144120300020 its reverse (200030214411), we get a palindrome (1344150514431).

The spelling of 1144120300020 in words is "one trillion, one hundred forty-four billion, one hundred twenty million, three hundred thousand, twenty".