1144013020 has 24 divisors (see below), whose sum is σ = 2419969104. Its totient is φ = 454263936.

The previous prime is 1144012997. The next prime is 1144013021. The reversal of 1144013020 is 203104411.

It is a junction number, because it is equal to n+sod(n) for n = 1144012985 and 1144013003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144013021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206022 + ... + 211501.

It is an arithmetic number, because the mean of its divisors is an integer number (100832046).

Almost surely, 2^1144013020 is an apocalyptic number.

1144013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144013020 is an abundant number, since it is smaller than the sum of its proper divisors (1275956084).

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

1144013020 is a wasteful number, since it uses less digits than its factorization.

1144013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417669 (or 417667 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1144013020 is about 33823.2615222128. The cubic root of 1144013020 is about 1045.8682740381.

Adding to 1144013020 its reverse (203104411), we get a palindrome (1347117431).

The spelling of 1144013020 in words is "one billion, one hundred forty-four million, thirteen thousand, twenty".