19948080 has 40 divisors (see below), whose sum is σ = 61839792. Its totient is φ = 5319424.

The previous prime is 19948073. The next prime is 19948091. The reversal of 19948080 is 8084991.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41319 + ... + 41798.

Almost surely, 2^19948080 is an apocalyptic number.

19948080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19948080 is an abundant number, since it is smaller than the sum of its proper divisors (41891712).

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

19948080 is a wasteful number, since it uses less digits than its factorization.

19948080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83133 (or 83127 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 19948080 is about 4466.3273502958. The cubic root of 19948080 is about 271.2066705053.

The spelling of 19948080 in words is "nineteen million, nine hundred forty-eight thousand, eighty".