6820100 has 36 divisors (see below), whose sum is σ = 16915584. Its totient is φ = 2338080.

The previous prime is 6820097. The next prime is 6820103. The reversal of 6820100 is 10286.

It is an interprime number because it is at equal distance from previous prime (6820097) and next prime (6820103).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6820103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4172 + ... + 5571.

Almost surely, 2^6820100 is an apocalyptic number.

It is an amenable number.

6820100 is an abundant number, since it is smaller than the sum of its proper divisors (10095484).

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

6820100 is a wasteful number, since it uses less digits than its factorization.

6820100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764 (or 9757 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 6820100 is about 2611.5321173595. The cubic root of 6820100 is about 189.6401313806.

Adding to 6820100 its reverse (10286), we get a palindrome (6830386).

The spelling of 6820100 in words is "six million, eight hundred twenty thousand, one hundred".