20748254726 has 4 divisors (see below), whose sum is σ = 31122382092. Its totient is φ = 10374127362.

The previous prime is 20748254689. The next prime is 20748254731. The reversal of 20748254726 is 62745284702.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5187063680 + ... + 5187063683.

It is an arithmetic number, because the mean of its divisors is an integer number (7780595523).

Almost surely, 2^20748254726 is an apocalyptic number.

20748254726 is a deficient number, since it is larger than the sum of its proper divisors (10374127366).

20748254726 is a wasteful number, since it uses less digits than its factorization.

20748254726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10374127365.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 20748254726 in words is "twenty billion, seven hundred forty-eight million, two hundred fifty-four thousand, seven hundred twenty-six".