20058507851 has 8 divisors (see below), whose sum is σ = 20933848320. Its totient is φ = 19183436712.

The previous prime is 20058507839. The next prime is 20058507857. The reversal of 20058507851 is 15870585002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20058507851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20058507799 and 20058507808.

It is not an unprimeable number, because it can be changed into a prime (20058507857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93020 + ... + 220838.

It is an arithmetic number, because the mean of its divisors is an integer number (2616731040).

Almost surely, 2^20058507851 is an apocalyptic number.

20058507851 is a deficient number, since it is larger than the sum of its proper divisors (875340469).

20058507851 is a wasteful number, since it uses less digits than its factorization.

20058507851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134665.

The product of its (nonzero) digits is 112000, while the sum is 41.

The spelling of 20058507851 in words is "twenty billion, fifty-eight million, five hundred seven thousand, eight hundred fifty-one".