20192018020 has 48 divisors (see below), whose sum is σ = 44387675136. Its totient is φ = 7706160000.

The previous prime is 20192018017. The next prime is 20192018047. The reversal of 20192018020 is 2081029102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185331 + ... + 273370.

It is an arithmetic number, because the mean of its divisors is an integer number (924743232).

Almost surely, 2^20192018020 is an apocalyptic number.

20192018020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20192018020 is an abundant number, since it is smaller than the sum of its proper divisors (24195657116).

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

20192018020 is a wasteful number, since it uses less digits than its factorization.

20192018020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458812 (or 458810 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 20192018020 in words is "twenty billion, one hundred ninety-two million, eighteen thousand, twenty".