1144232020 has 12 divisors (see below), whose sum is σ = 2402887284. Its totient is φ = 457692800.

The previous prime is 1144232009. The next prime is 1144232029. The reversal of 1144232020 is 202324411.

1144232020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 747584964 + 396647056 = 27342^2 + 19916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144232029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28605781 + ... + 28605820.

It is an arithmetic number, because the mean of its divisors is an integer number (200240607).

Almost surely, 2^1144232020 is an apocalyptic number.

1144232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144232020 is an abundant number, since it is smaller than the sum of its proper divisors (1258655264).

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

1144232020 is a wasteful number, since it uses less digits than its factorization.

1144232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57211610 (or 57211608 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1144232020 is about 33826.4987842372. The cubic root of 1144232020 is about 1045.9350071184.

Adding to 1144232020 its reverse (202324411), we get a palindrome (1346556431).

The spelling of 1144232020 in words is "one billion, one hundred forty-four million, two hundred thirty-two thousand, twenty".