19948760 has 64 divisors (see below), whose sum is σ = 48837600. Its totient is φ = 7333248.

The previous prime is 19948757. The next prime is 19948763. The reversal of 19948760 is 6784991.

It is an interprime number because it is at equal distance from previous prime (19948757) and next prime (19948763).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19948763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87767 + ... + 87993.

Almost surely, 2^19948760 is an apocalyptic number.

19948760 is a gapful number since it is divisible by the number (10) 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 19948760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24418800).

19948760 is an abundant number, since it is smaller than the sum of its proper divisors (28888840).

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

19948760 is a wasteful number, since it uses less digits than its factorization.

19948760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 19948760 is about 4466.4034748330. The cubic root of 19948760 is about 271.2097521460.

The spelling of 19948760 in words is "nineteen million, nine hundred forty-eight thousand, seven hundred sixty".