19650130 has 16 divisors (see below), whose sum is σ = 37451160. Its totient is φ = 7397632.

The previous prime is 19650107. The next prime is 19650143. The reversal of 19650130 is 3105691.

It can be written as a sum of positive squares in 4 ways, for example, as 19474569 + 175561 = 4413^2 + 419^2 .

It is a super-2 number, since 2×19650130² = 772255218033800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19650095 and 19650104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57625 + ... + 57964.

Almost surely, 2^19650130 is an apocalyptic number.

19650130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19650130 is a deficient number, since it is larger than the sum of its proper divisors (17801030).

19650130 is a wasteful number, since it uses less digits than its factorization.

19650130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115613.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 19650130 is about 4432.8467151482. The cubic root of 19650130 is about 269.8496190476.

The spelling of 19650130 in words is "nineteen million, six hundred fifty thousand, one hundred thirty".