425365020 has 120 divisors (see below), whose sum is σ = 1344697200. Its totient is φ = 112555008.

The previous prime is 425365009. The next prime is 425365021. The reversal of 425365020 is 20563524.

425365020 is a `hidden beast` number, since 4 + 2 + 5 + 3 + 650 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425365021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 224236 + ... + 226124.

It is an arithmetic number, because the mean of its divisors is an integer number (11205810).

Almost surely, 2^425365020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425365020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672348600).

425365020 is an abundant number, since it is smaller than the sum of its proper divisors (919332180).

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

425365020 is a wasteful number, since it uses less digits than its factorization.

425365020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 425365020 is about 20624.3792633863. The cubic root of 425365020 is about 752.0624830193.

The spelling of 425365020 in words is "four hundred twenty-five million, three hundred sixty-five thousand, twenty".