20296080 has 120 divisors (see below), whose sum is σ = 77917632. Its totient is φ = 4637952.

The previous prime is 20296069. The next prime is 20296099. The reversal of 20296080 is 8069202.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3027 + ... + 7053.

Almost surely, 2^20296080 is an apocalyptic number.

20296080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20296080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38958816).

20296080 is an abundant number, since it is smaller than the sum of its proper divisors (57621552).

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

20296080 is a wasteful number, since it uses less digits than its factorization.

20296080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053 (or 4044 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20296080 is about 4505.1170905982. The cubic root of 20296080 is about 272.7746802436.

The spelling of 20296080 in words is "twenty million, two hundred ninety-six thousand, eighty".