3212020040 has 16 divisors (see below), whose sum is σ = 7227045180. Its totient is φ = 1284808000.

The previous prime is 3212020039. The next prime is 3212020043. The reversal of 3212020040 is 400202123.

It can be written as a sum of positive squares in 2 ways, for example, as 2764866724 + 447153316 = 52582^2 + 21146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3212019997 and 3212020024.

It is not an unprimeable number, because it can be changed into a prime (3212020043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40150211 + ... + 40150290.

Almost surely, 2^3212020040 is an apocalyptic number.

It is an amenable number.

3212020040 is an abundant number, since it is smaller than the sum of its proper divisors (4015025140).

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

3212020040 is a wasteful number, since it uses less digits than its factorization.

3212020040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80300512 (or 80300508 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3212020040 is about 56674.6860600039. The cubic root of 3212020040 is about 1475.4553859642.

Adding to 3212020040 its reverse (400202123), we get a palindrome (3612222163).

The spelling of 3212020040 in words is "three billion, two hundred twelve million, twenty thousand, forty".