20246512783 has 8 divisors (see below), whose sum is σ = 23139944352. Its totient is φ = 17353349376.

The previous prime is 20246512757. The next prime is 20246512789. The reversal of 20246512783 is 38721564202.

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

It is a cyclic number.

It is not a de Polignac number, because 20246512783 - 2¹⁷ = 20246381711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246512789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135591 + ... + 242647.

It is an arithmetic number, because the mean of its divisors is an integer number (2892493044).

Almost surely, 2^20246512783 is an apocalyptic number.

20246512783 is a deficient number, since it is larger than the sum of its proper divisors (2893431569).

20246512783 is a wasteful number, since it uses less digits than its factorization.

20246512783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134081.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 20246512783 in words is "twenty billion, two hundred forty-six million, five hundred twelve thousand, seven hundred eighty-three".