3214520520420 has 48 divisors (see below), whose sum is σ = 9818899046208. Its totient is φ = 779277701760.

The previous prime is 3214520520403. The next prime is 3214520520427. The reversal of 3214520520420 is 240250254123.

3214520520420 is digitally balanced in base 2, because in such base 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 (30).

It is not an unprimeable number, because it can be changed into a prime (3214520520427) 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, 2435242159 + ... + 2435243478.

It is an arithmetic number, because the mean of its divisors is an integer number (204560396796).

Almost surely, 2^{3214520520420} is an apocalyptic number.

3214520520420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3214520520420 is an abundant number, since it is smaller than the sum of its proper divisors (6604378525788).

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

3214520520420 is a wasteful number, since it uses less digits than its factorization.

3214520520420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870485660 (or 4870485658 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 3214520520420 its reverse (240250254123), we get a palindrome (3454770774543).

The spelling of 3214520520420 in words is "three trillion, two hundred fourteen billion, five hundred twenty million, five hundred twenty thousand, four hundred twenty".