19960885 has 32 divisors (see below), whose sum is σ = 28454400. Its totient is φ = 13434624.

The previous prime is 19960883. The next prime is 19960909. The reversal of 19960885 is 58806991.

It is not a de Polignac number, because 19960885 - 2¹ = 19960883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19960883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176589 + ... + 176701.

It is an arithmetic number, because the mean of its divisors is an integer number (889200).

Almost surely, 2^19960885 is an apocalyptic number.

It is an amenable number.

19960885 is a deficient number, since it is larger than the sum of its proper divisors (8493515).

19960885 is a wasteful number, since it uses less digits than its factorization.

19960885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 19960885 is about 4467.7606247426. The cubic root of 19960885 is about 271.2646887640.

The spelling of 19960885 in words is "nineteen million, nine hundred sixty thousand, eight hundred eighty-five".