340648020 has 36 divisors (see below), whose sum is σ = 1033299540. Its totient is φ = 90839424.

The previous prime is 340647977. The next prime is 340648031. The reversal of 340648020 is 20846043.

It can be written as a sum of positive squares in 2 ways, for example, as 194769936 + 145878084 = 13956^2 + 12078^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 946065 + ... + 946424.

It is an arithmetic number, because the mean of its divisors is an integer number (28702765).

Almost surely, 2^340648020 is an apocalyptic number.

340648020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340648020 is an abundant number, since it is smaller than the sum of its proper divisors (692651520).

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

340648020 is a wasteful number, since it uses less digits than its factorization.

340648020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892504 (or 1892499 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 340648020 is about 18456.6524592083. The cubic root of 340648020 is about 698.3963425292.

The spelling of 340648020 in words is "three hundred forty million, six hundred forty-eight thousand, twenty".