19020718032 has 80 divisors (see below), whose sum is σ = 50532515712. Its totient is φ = 6161367040.

The previous prime is 19020718021. The next prime is 19020718091. The reversal of 19020718032 is 23081702091.

It is a junction number, because it is equal to n+sod(n) for n = 19020717984 and 19020718002.

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 15 ways as a sum of consecutive naturals, for example, 486973 + ... + 524579.

Almost surely, 2^19020718032 is an apocalyptic number.

19020718032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19020718032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25266257856).

19020718032 is an abundant number, since it is smaller than the sum of its proper divisors (31511797680).

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

19020718032 is a wasteful number, since it uses less digits than its factorization.

19020718032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37916 (or 37910 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 19020718032 in words is "nineteen billion, twenty million, seven hundred eighteen thousand, thirty-two".