3073220520 has 64 divisors (see below), whose sum is σ = 9223683840. Its totient is φ = 819168000.

The previous prime is 3073220483. The next prime is 3073220551. The reversal of 3073220520 is 250223703.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382545 + ... + 390495.

It is an arithmetic number, because the mean of its divisors is an integer number (144120060).

Almost surely, 2^3073220520 is an apocalyptic number.

3073220520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3073220520 is an abundant number, since it is smaller than the sum of its proper divisors (6150463320).

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

3073220520 is a wasteful number, since it uses less digits than its factorization.

3073220520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11186 (or 11182 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 3073220520 is about 55436.6351792747. The cubic root of 3073220520 is about 1453.8889689161. Note that the first 3 decimals are identical.

The spelling of 3073220520 in words is "three billion, seventy-three million, two hundred twenty thousand, five hundred twenty".