20017058942 has 8 divisors (see below), whose sum is σ = 31605882600. Its totient is φ = 9481764744.

The previous prime is 20017058917. The next prime is 20017058959. The reversal of 20017058942 is 24985071002.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 526764709 = 20017058942 / (2 + 0 + 0 + 1 + 7 + 0 + 5 + 8 + 9 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20017058896 and 20017058905.

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, 263382317 + ... + 263382392.

It is an arithmetic number, because the mean of its divisors is an integer number (3950735325).

Almost surely, 2^20017058942 is an apocalyptic number.

20017058942 is a deficient number, since it is larger than the sum of its proper divisors (11588823658).

20017058942 is a wasteful number, since it uses less digits than its factorization.

20017058942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526764730.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 20017058942 in words is "twenty billion, seventeen million, fifty-eight thousand, nine hundred forty-two".