20192490518 has 8 divisors (see below), whose sum is σ = 30802104360. Its totient is φ = 9925122400.

The previous prime is 20192490499. The next prime is 20192490523. The reversal of 20192490518 is 81509429102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85561283 + ... + 85561518.

It is an arithmetic number, because the mean of its divisors is an integer number (3850263045).

Almost surely, 2^20192490518 is an apocalyptic number.

20192490518 is a deficient number, since it is larger than the sum of its proper divisors (10609613842).

20192490518 is a wasteful number, since it uses less digits than its factorization.

20192490518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171122862.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 20192490518 in words is "twenty billion, one hundred ninety-two million, four hundred ninety thousand, five hundred eighteen".