16020346 has 4 divisors (see below), whose sum is σ = 24030522. Its totient is φ = 8010172.

The previous prime is 16020337. The next prime is 16020359. The reversal of 16020346 is 64302061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64302061 = 19 ⋅3384319.

It can be written as a sum of positive squares in only one way, i.e., 14907321 + 1113025 = 3861^2 + 1055^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4005085 + ... + 4005088.

Almost surely, 2^16020346 is an apocalyptic number.

16020346 is a deficient number, since it is larger than the sum of its proper divisors (8010176).

16020346 is an equidigital number, since it uses as much as digits as its factorization.

16020346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010175.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 16020346 is about 4002.5424419986. The cubic root of 16020346 is about 252.0909745439.

The spelling of 16020346 in words is "sixteen million, twenty thousand, three hundred forty-six".