3205620030 has 16 divisors (see below), whose sum is σ = 7693488144. Its totient is φ = 854832000.

The previous prime is 3205620001. The next prime is 3205620031. The reversal of 3205620030 is 300265023.

It is a junction number, because it is equal to n+sod(n) for n = 3205619979 and 3205620006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205620031) 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, 53426971 + ... + 53427030.

It is an arithmetic number, because the mean of its divisors is an integer number (480843009).

Almost surely, 2^3205620030 is an apocalyptic number.

3205620030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3205620030 is an abundant number, since it is smaller than the sum of its proper divisors (4487868114).

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

3205620030 is a wasteful number, since it uses less digits than its factorization.

3205620030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106854011.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 3205620030 is about 56618.1952202647. The cubic root of 3205620030 is about 1474.4747768982.

Adding to 3205620030 its reverse (300265023), we get a palindrome (3505885053).

The spelling of 3205620030 in words is "three billion, two hundred five million, six hundred twenty thousand, thirty".