20214915718 has 8 divisors (see below), whose sum is σ = 30323375712. Its totient is φ = 10107123816.

The previous prime is 20214915703. The next prime is 20214915739. The reversal of 20214915718 is 81751941202.

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, 82905 + ... + 217492.

It is an arithmetic number, because the mean of its divisors is an integer number (3790421964).

Almost surely, 2^20214915718 is an apocalyptic number.

20214915718 is a deficient number, since it is larger than the sum of its proper divisors (10108459994).

20214915718 is a wasteful number, since it uses less digits than its factorization.

20214915718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334046.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 20214915718 in words is "twenty billion, two hundred fourteen million, nine hundred fifteen thousand, seven hundred eighteen".