450670020 has 24 divisors (see below), whose sum is σ = 1261876224. Its totient is φ = 120178656.

The previous prime is 450670001. The next prime is 450670021. The reversal of 450670020 is 20076054.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (450670021) 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, 3755524 + ... + 3755643.

It is an arithmetic number, because the mean of its divisors is an integer number (52578176).

Almost surely, 2^450670020 is an apocalyptic number.

It is an amenable number.

450670020 is an abundant number, since it is smaller than the sum of its proper divisors (811206204).

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

450670020 is a wasteful number, since it uses less digits than its factorization.

450670020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511179 (or 7511177 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 450670020 is about 21228.9900843163. The cubic root of 450670020 is about 766.6895716744.

The spelling of 450670020 in words is "four hundred fifty million, six hundred seventy thousand, twenty".