19129020 has 24 divisors (see below), whose sum is σ = 53561424. Its totient is φ = 5101056.

The previous prime is 19129007. The next prime is 19129021. The reversal of 19129020 is 2092191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19129021) by changing a digit.

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, 159349 + ... + 159468.

It is an arithmetic number, because the mean of its divisors is an integer number (2231726).

Almost surely, 2^19129020 is an apocalyptic number.

19129020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19129020 is an abundant number, since it is smaller than the sum of its proper divisors (34432404).

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

19129020 is a wasteful number, since it uses less digits than its factorization.

19129020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318829 (or 318827 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 19129020 is about 4373.6735131923. The cubic root of 19129020 is about 267.4427979123.

The spelling of 19129020 in words is "nineteen million, one hundred twenty-nine thousand, twenty".