20118730056470 has 8 divisors (see below), whose sum is σ = 36213714101664. Its totient is φ = 8047492022584.

The previous prime is 20118730056463. The next prime is 20118730056473. The reversal of 20118730056470 is 7465003781102.

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 (20118730056473) 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, 1005936502814 + ... + 1005936502833.

It is an arithmetic number, because the mean of its divisors is an integer number (4526714262708).

Almost surely, 2^{20118730056470} is an apocalyptic number.

20118730056470 is a deficient number, since it is larger than the sum of its proper divisors (16094984045194).

20118730056470 is a wasteful number, since it uses less digits than its factorization.

20118730056470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011873005654.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 20118730056470 in words is "twenty trillion, one hundred eighteen billion, seven hundred thirty million, fifty-six thousand, four hundred seventy".