19896210530 has 32 divisors (see below), whose sum is σ = 40993292160. Its totient is φ = 6810900480.

The previous prime is 19896210527. The next prime is 19896210569. The reversal of 19896210530 is 3501269891.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 176840 + ... + 266579.

It is an arithmetic number, because the mean of its divisors is an integer number (1281040380).

Almost surely, 2^19896210530 is an apocalyptic number.

19896210530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19896210530 is an abundant number, since it is smaller than the sum of its proper divisors (21097081630).

19896210530 is a wasteful number, since it uses less digits than its factorization.

19896210530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444074.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 19896210530 in words is "nineteen billion, eight hundred ninety-six million, two hundred ten thousand, five hundred thirty".