20132489270 has 16 divisors (see below), whose sum is σ = 36263795040. Its totient is φ = 8047370304.

The previous prime is 20132489263. The next prime is 20132489303. The reversal of 20132489270 is 7298423102.

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, 688130 + ... + 716789.

It is an arithmetic number, because the mean of its divisors is an integer number (2266487190).

Almost surely, 2^20132489270 is an apocalyptic number.

20132489270 is a deficient number, since it is larger than the sum of its proper divisors (16131305770).

20132489270 is a wasteful number, since it uses less digits than its factorization.

20132489270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406359.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 20132489270 in words is "twenty billion, one hundred thirty-two million, four hundred eighty-nine thousand, two hundred seventy".