19995500270 has 16 divisors (see below), whose sum is σ = 36670993920. Its totient is φ = 7847290464.

The previous prime is 19995500267. The next prime is 19995500281. The reversal of 19995500270 is 7200559991.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18863150 + ... + 18864209.

It is an arithmetic number, because the mean of its divisors is an integer number (2291937120).

Almost surely, 2^19995500270 is an apocalyptic number.

19995500270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19995500270 is a deficient number, since it is larger than the sum of its proper divisors (16675493650).

19995500270 is a wasteful number, since it uses less digits than its factorization.

19995500270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37727419.

The product of its (nonzero) digits is 255150, while the sum is 47.

The spelling of 19995500270 in words is "nineteen billion, nine hundred ninety-five million, five hundred thousand, two hundred seventy".