20715276639874 has 8 divisors (see below), whose sum is σ = 31072942485648. Its totient is φ = 10357629144660.

The previous prime is 20715276639817. The next prime is 20715276639887. The reversal of 20715276639874 is 47893667251702.

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

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, 1291972 + ... + 6565039.

It is an arithmetic number, because the mean of its divisors is an integer number (3884117810706).

It is a 1-persistent number, because it is pandigital, but 2⋅20715276639874 = 41430553279748 is not.

Almost surely, 2^{20715276639874} is an apocalyptic number.

20715276639874 is a deficient number, since it is larger than the sum of its proper divisors (10357665845774).

20715276639874 is a wasteful number, since it uses less digits than its factorization.

20715276639874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9175280.

The product of its (nonzero) digits is 213373440, while the sum is 67.

The spelling of 20715276639874 in words is "twenty trillion, seven hundred fifteen billion, two hundred seventy-six million, six hundred thirty-nine thousand, eight hundred seventy-four".