425201020 has 12 divisors (see below), whose sum is σ = 892922184. Its totient is φ = 170080400.

The previous prime is 425200939. The next prime is 425201047. The reversal of 425201020 is 20102524.

It is a junction number, because it is equal to n+sod(n) for n = 425200985 and 425201003.

It is a congruent number.

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, 10630006 + ... + 10630045.

It is an arithmetic number, because the mean of its divisors is an integer number (74410182).

Almost surely, 2^425201020 is an apocalyptic number.

It is an amenable number.

425201020 is an abundant number, since it is smaller than the sum of its proper divisors (467721164).

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

425201020 is a wasteful number, since it uses less digits than its factorization.

425201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21260060 (or 21260058 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 425201020 is about 20620.4030028513. The cubic root of 425201020 is about 751.9658177272.

Adding to 425201020 its reverse (20102524), we get a palindrome (445303544).

The spelling of 425201020 in words is "four hundred twenty-five million, two hundred one thousand, twenty".