3230400020 has 12 divisors (see below), whose sum is σ = 6783840084. Its totient is φ = 1292160000.

The previous prime is 3230399971. The next prime is 3230400031. The reversal of 3230400020 is 200040323.

It can be written as a sum of positive squares in 2 ways, for example, as 814874116 + 2415525904 = 28546^2 + 49148^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3230399968 and 3230400004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80759981 + ... + 80760020.

It is an arithmetic number, because the mean of its divisors is an integer number (565320007).

Almost surely, 2^3230400020 is an apocalyptic number.

It is an amenable number.

3230400020 is an abundant number, since it is smaller than the sum of its proper divisors (3553440064).

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

3230400020 is a wasteful number, since it uses less digits than its factorization.

3230400020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161520010 (or 161520008 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 3230400020 is about 56836.6080972466. The cubic root of 3230400020 is about 1478.2643428450.

Adding to 3230400020 its reverse (200040323), we get a palindrome (3430440343).

The spelling of 3230400020 in words is "three billion, two hundred thirty million, four hundred thousand, twenty".