2023205240 has 64 divisors (see below), whose sum is σ = 5313254400. Its totient is φ = 678907008.

The previous prime is 2023205209. The next prime is 2023205243. The reversal of 2023205240 is 425023202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023205243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63710 + ... + 90029.

It is an arithmetic number, because the mean of its divisors is an integer number (83019600).

Almost surely, 2^2023205240 is an apocalyptic number.

2023205240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023205240 is an abundant number, since it is smaller than the sum of its proper divisors (3290049160).

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

2023205240 is a wasteful number, since it uses less digits than its factorization.

2023205240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153804 (or 153800 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2023205240 is about 44980.0538016575. The cubic root of 2023205240 is about 1264.7751197684.

Adding to 2023205240 its reverse (425023202), we get a palindrome (2448228442).

The spelling of 2023205240 in words is "two billion, twenty-three million, two hundred five thousand, two hundred forty".