3020743638 has 32 divisors (see below), whose sum is σ = 7323016320. Its totient is φ = 915376680.

The previous prime is 3020743601. The next prime is 3020743669. The reversal of 3020743638 is 8363470203.

3020743638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2542120 + ... + 2543307.

It is an arithmetic number, because the mean of its divisors is an integer number (228844260).

Almost surely, 2^3020743638 is an apocalyptic number.

3020743638 is an abundant number, since it is smaller than the sum of its proper divisors (4302272682).

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

3020743638 is a wasteful number, since it uses less digits than its factorization.

3020743638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085449 (or 5085443 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 3020743638 is about 54961.2921791328. The cubic root of 3020743638 is about 1445.5661049014.

The spelling of 3020743638 in words is "three billion, twenty million, seven hundred forty-three thousand, six hundred thirty-eight".