19293120020 has 24 divisors (see below), whose sum is σ = 40676979168. Its totient is φ = 7686500000.

The previous prime is 19293120019. The next prime is 19293120047. The reversal of 19293120020 is 2002139291.

It is a super-3 number, since 3×19293120020³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916606 + ... + 1926645.

It is an arithmetic number, because the mean of its divisors is an integer number (1694874132).

Almost surely, 2^19293120020 is an apocalyptic number.

19293120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19293120020 is an abundant number, since it is smaller than the sum of its proper divisors (21383859148).

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

19293120020 is a wasteful number, since it uses less digits than its factorization.

19293120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843511 (or 3843509 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 19293120020 in words is "nineteen billion, two hundred ninety-three million, one hundred twenty thousand, twenty".