427443020 has 12 divisors (see below), whose sum is σ = 897630384. Its totient is φ = 170977200.

The previous prime is 427443001. The next prime is 427443073. The reversal of 427443020 is 20344724.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10686056 + ... + 10686095.

It is an arithmetic number, because the mean of its divisors is an integer number (74802532).

Almost surely, 2^427443020 is an apocalyptic number.

It is an amenable number.

427443020 is an abundant number, since it is smaller than the sum of its proper divisors (470187364).

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

427443020 is a wasteful number, since it uses less digits than its factorization.

427443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21372160 (or 21372158 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 427443020 is about 20674.6951609933. The cubic root of 427443020 is about 753.2851567245.

Adding to 427443020 its reverse (20344724), we get a palindrome (447787744).

The spelling of 427443020 in words is "four hundred twenty-seven million, four hundred forty-three thousand, twenty".