340020065 has 48 divisors (see below), whose sum is σ = 525377664. Its totient is φ = 208857600.

The previous prime is 340020019. The next prime is 340020089. The reversal of 340020065 is 560020043.

It is not a de Polignac number, because 340020065 - 2²⁰ = 338971489 is a prime.

It is a super-2 number, since 2×340020065² = 231227289205208450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190457 + ... + 192233.

It is an arithmetic number, because the mean of its divisors is an integer number (10945368).

Almost surely, 2^340020065 is an apocalyptic number.

340020065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340020065 is a deficient number, since it is larger than the sum of its proper divisors (185357599).

340020065 is a wasteful number, since it uses less digits than its factorization.

340020065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 340020065 is about 18439.6329952632. The cubic root of 340020065 is about 697.9669342552.

The spelling of 340020065 in words is "three hundred forty million, twenty thousand, sixty-five".