6620432412 has 48 divisors (see below), whose sum is σ = 16980695424. Its totient is φ = 1990872000.

The previous prime is 6620432393. The next prime is 6620432431. The reversal of 6620432412 is 2142340266.

It is an interprime number because it is at equal distance from previous prime (6620432393) and next prime (6620432431).

It is a self number, because there is not a number n which added to its sum of digits gives 6620432412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174139 + ... + 208722.

It is an arithmetic number, because the mean of its divisors is an integer number (353764488).

Almost surely, 2^6620432412 is an apocalyptic number.

It is an amenable number.

6620432412 is an abundant number, since it is smaller than the sum of its proper divisors (10360263012).

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

6620432412 is a wasteful number, since it uses less digits than its factorization.

6620432412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383010 (or 383008 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 6620432412 is about 81366.0396725808. The cubic root of 6620432412 is about 1877.7111510669.

Adding to 6620432412 its reverse (2142340266), we get a palindrome (8762772678).

The spelling of 6620432412 in words is "six billion, six hundred twenty million, four hundred thirty-two thousand, four hundred twelve".