6206664420 has 96 divisors (see below), whose sum is σ = 21065063040. Its totient is φ = 1504644480.

The previous prime is 6206664413. The next prime is 6206664449. The reversal of 6206664420 is 244666026.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516507 + ... + 528386.

It is an arithmetic number, because the mean of its divisors is an integer number (219427740).

Almost surely, 2^6206664420 is an apocalyptic number.

6206664420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6206664420 is an abundant number, since it is smaller than the sum of its proper divisors (14858398620).

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

6206664420 is a wasteful number, since it uses less digits than its factorization.

6206664420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044922 (or 1044914 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 6206664420 is about 78782.3864832743. The cubic root of 6206664420 is about 1837.7485478033.

The spelling of 6206664420 in words is "six billion, two hundred six million, six hundred sixty-four thousand, four hundred twenty".