20026080 has 72 divisors (see below), whose sum is σ = 68343912. Its totient is φ = 5339904.

The previous prime is 20026067. The next prime is 20026121. The reversal of 20026080 is 8062002.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5514 + ... + 8393.

It is an arithmetic number, because the mean of its divisors is an integer number (949221).

Almost surely, 2^20026080 is an apocalyptic number.

20026080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20026080 is an abundant number, since it is smaller than the sum of its proper divisors (48317832).

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

20026080 is a wasteful number, since it uses less digits than its factorization.

20026080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928 (or 13917 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20026080 is about 4475.0508377001. The cubic root of 20026080 is about 271.5596970975.

Adding to 20026080 its reverse (8062002), we get a palindrome (28088082).

The spelling of 20026080 in words is "twenty million, twenty-six thousand, eighty".