19285693220 has 24 divisors (see below), whose sum is σ = 40893163584. Its totient is φ = 7639380576.

The previous prime is 19285693211. The next prime is 19285693241. The reversal of 19285693220 is 2239658291.

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, 4678934 + ... + 4683053.

It is an arithmetic number, because the mean of its divisors is an integer number (1703881816).

Almost surely, 2^19285693220 is an apocalyptic number.

19285693220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19285693220 is an abundant number, since it is smaller than the sum of its proper divisors (21607470364).

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

19285693220 is a wasteful number, since it uses less digits than its factorization.

19285693220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362099 (or 9362097 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 19285693220 in words is "nineteen billion, two hundred eighty-five million, six hundred ninety-three thousand, two hundred twenty".