20723412718 has 8 divisors (see below), whose sum is σ = 31510942848. Its totient is φ = 10219765104.

The previous prime is 20723412707. The next prime is 20723412719. The reversal of 20723412718 is 81721432702.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20723412719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70970446 + ... + 70970737.

It is an arithmetic number, because the mean of its divisors is an integer number (3938867856).

Almost surely, 2^20723412718 is an apocalyptic number.

20723412718 is a deficient number, since it is larger than the sum of its proper divisors (10787530130).

20723412718 is a wasteful number, since it uses less digits than its factorization.

20723412718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141941258.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 20723412718 in words is "twenty billion, seven hundred twenty-three million, four hundred twelve thousand, seven hundred eighteen".