19952850 has 48 divisors (see below), whose sum is σ = 52094880. Its totient is φ = 5040000.

The previous prime is 19952813. The next prime is 19952873. The reversal of 19952850 is 5825991.

It is a junction number, because it is equal to n+sod(n) for n = 19952799 and 19952808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 651 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (1085310).

Almost surely, 2^19952850 is an apocalyptic number.

19952850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19952850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26047440).

19952850 is an abundant number, since it is smaller than the sum of its proper divisors (32142030).

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

19952850 is a wasteful number, since it uses less digits than its factorization.

19952850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035 (or 7030 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 19952850 is about 4466.8613141668. The cubic root of 19952850 is about 271.2282858307.

It can be divided in two parts, 19952 and 850, that added together give a palindrome (20802).

The spelling of 19952850 in words is "nineteen million, nine hundred fifty-two thousand, eight hundred fifty".