19120650 has 48 divisors (see below), whose sum is σ = 49922400. Its totient is φ = 4829760.

The previous prime is 19120649. The next prime is 19120687. The reversal of 19120650 is 5602191.

It is a self number, because there is not a number n which added to its sum of digits gives 19120650.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505 + ... + 6204.

It is an arithmetic number, because the mean of its divisors is an integer number (1040050).

Almost surely, 2^19120650 is an apocalyptic number.

19120650 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 19120650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24961200).

19120650 is an abundant number, since it is smaller than the sum of its proper divisors (30801750).

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

19120650 is a wasteful number, since it uses less digits than its factorization.

19120650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743 (or 6738 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 19120650 is about 4372.7165469534. The cubic root of 19120650 is about 267.4037852362.

The spelling of 19120650 in words is "nineteen million, one hundred twenty thousand, six hundred fifty".