16020890 has 32 divisors (see below), whose sum is σ = 29859840. Its totient is φ = 6185344.

The previous prime is 16020881. The next prime is 16020911. The reversal of 16020890 is 9802061.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41639 + ... + 42021.

It is an arithmetic number, because the mean of its divisors is an integer number (933120).

Almost surely, 2^16020890 is an apocalyptic number.

16020890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16020890 is a deficient number, since it is larger than the sum of its proper divisors (13838950).

16020890 is a wasteful number, since it uses less digits than its factorization.

16020890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 16020890 is about 4002.6103982276. The cubic root of 16020890 is about 252.0938279142.

The spelling of 16020890 in words is "sixteen million, twenty thousand, eight hundred ninety".