2443452020 has 12 divisors (see below), whose sum is σ = 5131249284. Its totient is φ = 977380800.

The previous prime is 2443452017. The next prime is 2443452029. The reversal of 2443452020 is 202543442.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1341610384 + 1101841636 = 36628^2 + 33194^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443452029) 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, 61086281 + ... + 61086320.

It is an arithmetic number, because the mean of its divisors is an integer number (427604107).

Almost surely, 2^2443452020 is an apocalyptic number.

2443452020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443452020 is an abundant number, since it is smaller than the sum of its proper divisors (2687797264).

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

2443452020 is a wasteful number, since it uses less digits than its factorization.

2443452020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122172610 (or 122172608 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2443452020 is about 49431.2858420657. The cubic root of 2443452020 is about 1346.8976810438.

Adding to 2443452020 its reverse (202543442), we get a palindrome (2645995462).

The spelling of 2443452020 in words is "two billion, four hundred forty-three million, four hundred fifty-two thousand, twenty".