340758020 has 24 divisors (see below), whose sum is σ = 719988864. Its totient is φ = 135465696.

The previous prime is 340758001. The next prime is 340758023. The reversal of 340758020 is 20857043.

It is a happy number.

It is a super-2 number, since 2×340758020² = 232232056388640800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340758023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49004 + ... + 55523.

It is an arithmetic number, because the mean of its divisors is an integer number (29999536).

Almost surely, 2^340758020 is an apocalyptic number.

It is an amenable number.

340758020 is an abundant number, since it is smaller than the sum of its proper divisors (379230844).

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

340758020 is a wasteful number, since it uses less digits than its factorization.

340758020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104699 (or 104697 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 340758020 is about 18459.6321740169. The cubic root of 340758020 is about 698.4715084145.

The spelling of 340758020 in words is "three hundred forty million, seven hundred fifty-eight thousand, twenty".