19552130 has 16 divisors (see below), whose sum is σ = 37901304. Its totient is φ = 7219200.

The previous prime is 19552129. The next prime is 19552153. The reversal of 19552130 is 3125591.

It can be written as a sum of positive squares in 4 ways, for example, as 14830201 + 4721929 = 3851^2 + 2173^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 19552130.

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 7 ways as a sum of consecutive naturals, for example, 75071 + ... + 75330.

Almost surely, 2^19552130 is an apocalyptic number.

19552130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19552130 is a deficient number, since it is larger than the sum of its proper divisors (18349174).

19552130 is a wasteful number, since it uses less digits than its factorization.

19552130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150421.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 19552130 is about 4421.7790537294. The cubic root of 19552130 is about 269.4002692150.

It can be divided in two parts, 195 and 52130, that added together give a palindrome (52325).

The spelling of 19552130 in words is "nineteen million, five hundred fifty-two thousand, one hundred thirty".