427245020 has 48 divisors (see below), whose sum is σ = 1000006560. Its totient is φ = 152377344.

The previous prime is 427244989. The next prime is 427245029. The reversal of 427245020 is 20542724.

It is a super-2 number, since 2×427245020² = 365076614229600800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427245029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26609 + ... + 39528.

It is an arithmetic number, because the mean of its divisors is an integer number (20833470).

Almost surely, 2^427245020 is an apocalyptic number.

It is an amenable number.

427245020 is an abundant number, since it is smaller than the sum of its proper divisors (572761540).

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

427245020 is a wasteful number, since it uses less digits than its factorization.

427245020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66182 (or 66180 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 427245020 is about 20669.9061439572. The cubic root of 427245020 is about 753.1688266019.

Adding to 427245020 its reverse (20542724), we get a palindrome (447787744).

The spelling of 427245020 in words is "four hundred twenty-seven million, two hundred forty-five thousand, twenty".