6351264020 has 12 divisors (see below), whose sum is σ = 13337654484. Its totient is φ = 2540505600.

The previous prime is 6351263983. The next prime is 6351264047. The reversal of 6351264020 is 204621536.

It can be written as a sum of positive squares in 2 ways, for example, as 4068908944 + 2282355076 = 63788^2 + 47774^2 .

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, 158781581 + ... + 158781620.

It is an arithmetic number, because the mean of its divisors is an integer number (1111471207).

Almost surely, 2^6351264020 is an apocalyptic number.

It is an amenable number.

6351264020 is an abundant number, since it is smaller than the sum of its proper divisors (6986390464).

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

6351264020 is a wasteful number, since it uses less digits than its factorization.

6351264020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317563210 (or 317563208 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 6351264020 is about 79694.8180247624. The cubic root of 6351264020 is about 1851.9107621045.

Adding to 6351264020 its reverse (204621536), we get a palindrome (6555885556).

The spelling of 6351264020 in words is "six billion, three hundred fifty-one million, two hundred sixty-four thousand, twenty".