6217545020 has 12 divisors (see below), whose sum is σ = 13056844584. Its totient is φ = 2487018000.

The previous prime is 6217545007. The next prime is 6217545143. The reversal of 6217545020 is 205457126.

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, 155438606 + ... + 155438645.

It is an arithmetic number, because the mean of its divisors is an integer number (1088070382).

Almost surely, 2^6217545020 is an apocalyptic number.

It is an amenable number.

6217545020 is an abundant number, since it is smaller than the sum of its proper divisors (6839299564).

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

6217545020 is a wasteful number, since it uses less digits than its factorization.

6217545020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310877260 (or 310877258 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 6217545020 is about 78851.4110209830. The cubic root of 6217545020 is about 1838.8218099350.

The spelling of 6217545020 in words is "six billion, two hundred seventeen million, five hundred forty-five thousand, twenty".