16826220 has 36 divisors (see below), whose sum is σ = 51040080. Its totient is φ = 4486944.

The previous prime is 16826167. The next prime is 16826263. The reversal of 16826220 is 2262861.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46560 + ... + 46919.

It is an arithmetic number, because the mean of its divisors is an integer number (1417780).

Almost surely, 2^16826220 is an apocalyptic number.

16826220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16826220 is an abundant number, since it is smaller than the sum of its proper divisors (34213860).

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

16826220 is a wasteful number, since it uses less digits than its factorization.

16826220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93494 (or 93489 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 16826220 is about 4101.9775718548. The cubic root of 16826220 is about 256.2490049535.

The spelling of 16826220 in words is "sixteen million, eight hundred twenty-six thousand, two hundred twenty".