16970820 has 24 divisors (see below), whose sum is σ = 47518464. Its totient is φ = 4525536.

The previous prime is 16970813. The next prime is 16970831. The reversal of 16970820 is 2807961.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141364 + ... + 141483.

It is an arithmetic number, because the mean of its divisors is an integer number (1979936).

Almost surely, 2^16970820 is an apocalyptic number.

16970820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16970820 is an abundant number, since it is smaller than the sum of its proper divisors (30547644).

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

16970820 is a wasteful number, since it uses less digits than its factorization.

16970820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282859 (or 282857 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 16970820 is about 4119.5655110703. The cubic root of 16970820 is about 256.9809571703.

The spelling of 16970820 in words is "sixteen million, nine hundred seventy thousand, eight hundred twenty".