16930220 has 24 divisors (see below), whose sum is σ = 35659008. Its totient is φ = 6752000.

The previous prime is 16930217. The next prime is 16930223. The reversal of 16930220 is 2203961.

It is an interprime number because it is at equal distance from previous prime (16930217) and next prime (16930223).

It is not an unprimeable number, because it can be changed into a prime (16930223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6965 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (1485792).

Almost surely, 2^16930220 is an apocalyptic number.

16930220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16930220 is an abundant number, since it is smaller than the sum of its proper divisors (18728788).

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

16930220 is a wasteful number, since it uses less digits than its factorization.

16930220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521 (or 2519 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 16930220 is about 4114.6348562175. The cubic root of 16930220 is about 256.7758647814.

The spelling of 16930220 in words is "sixteen million, nine hundred thirty thousand, two hundred twenty".