20061328 has 20 divisors (see below), whose sum is σ = 44421760. Its totient is φ = 8597664.

The previous prime is 20061319. The next prime is 20061331. The reversal of 20061328 is 82316002.

It is a super-2 number, since 2×20061328² = 804913762247168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20061299 and 20061308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89448 + ... + 89671.

It is an arithmetic number, because the mean of its divisors is an integer number (2221088).

Almost surely, 2^20061328 is an apocalyptic number.

20061328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20061328 is an abundant number, since it is smaller than the sum of its proper divisors (24360432).

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

20061328 is a wasteful number, since it uses less digits than its factorization.

20061328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179134 (or 179128 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20061328 is about 4478.9873855594. The cubic root of 20061328 is about 271.7189282237.

The spelling of 20061328 in words is "twenty million, sixty-one thousand, three hundred twenty-eight".