20461370718 has 16 divisors (see below), whose sum is σ = 41017694976. Its totient is φ = 6804631320.

The previous prime is 20461370659. The next prime is 20461370753. The reversal of 20461370718 is 81707316402.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3953596 + ... + 3958767.

It is an arithmetic number, because the mean of its divisors is an integer number (2563605936).

Almost surely, 2^20461370718 is an apocalyptic number.

20461370718 is an abundant number, since it is smaller than the sum of its proper divisors (20556324258).

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

20461370718 is a wasteful number, since it uses less digits than its factorization.

20461370718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912799.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 20461370718 in words is "twenty billion, four hundred sixty-one million, three hundred seventy thousand, seven hundred eighteen".