6450020336 has 20 divisors (see below), whose sum is σ = 12586824600. Its totient is φ = 3201807552.

The previous prime is 6450020321. The next prime is 6450020359. The reversal of 6450020336 is 6330200546.

It is a junction number, because it is equal to n+sod(n) for n = 6450020299 and 6450020308.

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, 1447871 + ... + 1452318.

It is an arithmetic number, because the mean of its divisors is an integer number (629341230).

Almost surely, 2^6450020336 is an apocalyptic number.

It is an amenable number.

6450020336 is a deficient number, since it is larger than the sum of its proper divisors (6136804264).

6450020336 is a wasteful number, since it uses less digits than its factorization.

6450020336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900336 (or 2900330 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 6450020336 is about 80312.0186273512. The cubic root of 6450020336 is about 1861.4599413724.

The spelling of 6450020336 in words is "six billion, four hundred fifty million, twenty thousand, three hundred thirty-six".