19952716 has 48 divisors (see below), whose sum is σ = 41746432. Its totient is φ = 8164800.

The previous prime is 19952693. The next prime is 19952719. The reversal of 19952716 is 61725991.

It is a super-2 number, since 2×19952716² = 796221751553312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19952719) 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, 110146 + ... + 110326.

Almost surely, 2^19952716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19952716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20873216).

19952716 is an abundant number, since it is smaller than the sum of its proper divisors (21793716).

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

19952716 is a wasteful number, since it uses less digits than its factorization.

19952716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 348 counting only the distinct ones).

The product of its digits is 34020, while the sum is 40.

The square root of 19952716 is about 4466.8463147953. The cubic root of 19952716 is about 271.2276786548.

The spelling of 19952716 in words is "nineteen million, nine hundred fifty-two thousand, seven hundred sixteen".