3001520220 has 48 divisors (see below), whose sum is σ = 8410284960. Its totient is φ = 799831296.

The previous prime is 3001520177. The next prime is 3001520227. The reversal of 3001520220 is 220251003.

3001520220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3001520220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001520227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69966 + ... + 104394.

It is an arithmetic number, because the mean of its divisors is an integer number (175214270).

Almost surely, 2^3001520220 is an apocalyptic number.

3001520220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3001520220 is an abundant number, since it is smaller than the sum of its proper divisors (5408764740).

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

3001520220 is a wasteful number, since it uses less digits than its factorization.

3001520220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35894 (or 35892 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 3001520220 is about 54786.1316393118. The cubic root of 3001520220 is about 1442.4931443516.

Adding to 3001520220 its reverse (220251003), we get a palindrome (3221771223).

The spelling of 3001520220 in words is "three billion, one million, five hundred twenty thousand, two hundred twenty".