3020753640 has 32 divisors (see below), whose sum is σ = 9062261280. Its totient is φ = 805534272.

The previous prime is 3020753623. The next prime is 3020753663. The reversal of 3020753640 is 463570203.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3020753598 and 3020753607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12586354 + ... + 12586593.

It is an arithmetic number, because the mean of its divisors is an integer number (283195665).

Almost surely, 2^3020753640 is an apocalyptic number.

3020753640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3020753640 is an abundant number, since it is smaller than the sum of its proper divisors (6041507640).

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

3020753640 is a wasteful number, since it uses less digits than its factorization.

3020753640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25172961 (or 25172957 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 3020753640 is about 54961.3831703679. The cubic root of 3020753640 is about 1445.5677003735.

The spelling of 3020753640 in words is "three billion, twenty million, seven hundred fifty-three thousand, six hundred forty".