453242020 has 48 divisors (see below), whose sum is σ = 1186674048. Its totient is φ = 141269760.

The previous prime is 453242011. The next prime is 453242021. The reversal of 453242020 is 20242354.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 453241982 and 453242000.

It is not an unprimeable number, because it can be changed into a prime (453242021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145617 + ... + 148696.

It is an arithmetic number, because the mean of its divisors is an integer number (24722376).

Almost surely, 2^453242020 is an apocalyptic number.

It is an amenable number.

453242020 is an abundant number, since it is smaller than the sum of its proper divisors (733432028).

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

453242020 is a wasteful number, since it uses less digits than its factorization.

453242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294340 (or 294338 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 453242020 is about 21289.4814403733. The cubic root of 453242020 is about 768.1453198137.

Adding to 453242020 its reverse (20242354), we get a palindrome (473484374).

The spelling of 453242020 in words is "four hundred fifty-three million, two hundred forty-two thousand, twenty".