3200140420 has 96 divisors (see below), whose sum is σ = 7165605888. Its totient is φ = 1197960192.

The previous prime is 3200140409. The next prime is 3200140421. The reversal of 3200140420 is 240410023.

3200140420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3200140394 and 3200140403.

It is not an unprimeable number, because it can be changed into a prime (3200140421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5271757 + ... + 5272363.

It is an arithmetic number, because the mean of its divisors is an integer number (74641728).

Almost surely, 2^3200140420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3200140420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3582802944).

3200140420 is an abundant number, since it is smaller than the sum of its proper divisors (3965465468).

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

3200140420 is a wasteful number, since it uses less digits than its factorization.

3200140420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3200140420 is about 56569.7836304860. The cubic root of 3200140420 is about 1473.6341537952.

Adding to 3200140420 its reverse (240410023), we get a palindrome (3440550443).

The spelling of 3200140420 in words is "three billion, two hundred million, one hundred forty thousand, four hundred twenty".