3020552730 has 48 divisors (see below), whose sum is σ = 8457550920. Its totient is φ = 743520384.

The previous prime is 3020552723. The next prime is 3020552749. The reversal of 3020552730 is 372550203.

It can be written as a sum of positive squares in 4 ways, for example, as 2168671761 + 851880969 = 46569^2 + 29187^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3020552694 and 3020552703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1289665 + ... + 1292004.

Almost surely, 2^3020552730 is an apocalyptic number.

3020552730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3020552730 is an abundant number, since it is smaller than the sum of its proper divisors (5436998190).

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

3020552730 is a wasteful number, since it uses less digits than its factorization.

3020552730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581695 (or 2581692 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 3020552730 is about 54959.5554021318. Note that the first 3 decimals coincide. The cubic root of 3020552730 is about 1445.5356514788.

The spelling of 3020552730 in words is "three billion, twenty million, five hundred fifty-two thousand, seven hundred thirty".