340425020 has 48 divisors (see below), whose sum is σ = 771371328. Its totient is φ = 125452800.

The previous prime is 340424999. The next prime is 340425067. The reversal of 340425020 is 20524043.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 340424983 and 340425001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188120 + ... + 189920.

It is an arithmetic number, because the mean of its divisors is an integer number (16070236).

Almost surely, 2^340425020 is an apocalyptic number.

It is an amenable number.

340425020 is an abundant number, since it is smaller than the sum of its proper divisors (430946308).

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

340425020 is a wasteful number, since it uses less digits than its factorization.

340425020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550 (or 2548 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 340425020 is about 18450.6102880094. The cubic root of 340425020 is about 698.2439111118.

Adding to 340425020 its reverse (20524043), we get a palindrome (360949063).

The spelling of 340425020 in words is "three hundred forty million, four hundred twenty-five thousand, twenty".