3230420420 has 24 divisors (see below), whose sum is σ = 6967232664. Its totient is φ = 1257244416.

The previous prime is 3230420419. The next prime is 3230420447. The reversal of 3230420420 is 240240323.

It can be written as a sum of positive squares in 4 ways, for example, as 452497984 + 2777922436 = 21272^2 + 52706^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3230420392 and 3230420401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2181977 + ... + 2183456.

It is an arithmetic number, because the mean of its divisors is an integer number (290301361).

Almost surely, 2^3230420420 is an apocalyptic number.

It is an amenable number.

3230420420 is an abundant number, since it is smaller than the sum of its proper divisors (3736812244).

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

3230420420 is a wasteful number, since it uses less digits than its factorization.

3230420420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365479 (or 4365477 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3230420420 is about 56836.7875587634. The cubic root of 3230420420 is about 1478.2674545885.

Adding to 3230420420 its reverse (240240323), we get a palindrome (3470660743).

The spelling of 3230420420 in words is "three billion, two hundred thirty million, four hundred twenty thousand, four hundred twenty".