19733130 has 48 divisors (see below), whose sum is σ = 52509600. Its totient is φ = 5138784.

The previous prime is 19733123. The next prime is 19733183. The reversal of 19733130 is 3133791.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19733094 and 19733103.

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, 1321 + ... + 6419.

It is an arithmetic number, because the mean of its divisors is an integer number (1093950).

Almost surely, 2^19733130 is an apocalyptic number.

19733130 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 19733130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26254800).

19733130 is an abundant number, since it is smaller than the sum of its proper divisors (32776470).

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

19733130 is a wasteful number, since it uses less digits than its factorization.

19733130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 19733130 is about 4442.1987798837. The cubic root of 19733130 is about 270.2290237858.

The spelling of 19733130 in words is "nineteen million, seven hundred thirty-three thousand, one hundred thirty".