20119280 has 20 divisors (see below), whose sum is σ = 46777512. Its totient is φ = 8047680.

The previous prime is 20119261. The next prime is 20119289. The reversal of 20119280 is 8291102.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20119289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125666 + ... + 125825.

Almost surely, 2^20119280 is an apocalyptic number.

20119280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20119280 is an abundant number, since it is smaller than the sum of its proper divisors (26658232).

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

20119280 is a wasteful number, since it uses less digits than its factorization.

20119280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251504 (or 251498 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 20119280 is about 4485.4520396500. The cubic root of 20119280 is about 271.9803186451.

The spelling of 20119280 in words is "twenty million, one hundred nineteen thousand, two hundred eighty".