3240820235 has 4 divisors (see below), whose sum is σ = 3888984288. Its totient is φ = 2592656184.

The previous prime is 3240820223. The next prime is 3240820243. The reversal of 3240820235 is 5320280423.

3240820235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3240820235 - 2⁸ = 3240819979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3240820198 and 3240820207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324082019 + ... + 324082028.

It is an arithmetic number, because the mean of its divisors is an integer number (972246072).

Almost surely, 2^3240820235 is an apocalyptic number.

3240820235 is a deficient number, since it is larger than the sum of its proper divisors (648164053).

3240820235 is an equidigital number, since it uses as much as digits as its factorization.

3240820235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648164052.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 3240820235 is about 56928.2024571302. The cubic root of 3240820235 is about 1479.8521027947.

The spelling of 3240820235 in words is "three billion, two hundred forty million, eight hundred twenty thousand, two hundred thirty-five".