20494749302 has 8 divisors (see below), whose sum is σ = 30839103216. Its totient is φ = 10215048232.

The previous prime is 20494749293. The next prime is 20494749329. The reversal of 20494749302 is 20394749402.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16162418 + ... + 16163685.

It is an arithmetic number, because the mean of its divisors is an integer number (3854887902).

Almost surely, 2^20494749302 is an apocalyptic number.

20494749302 is a deficient number, since it is larger than the sum of its proper divisors (10344353914).

20494749302 is a wasteful number, since it uses less digits than its factorization.

20494749302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32326422.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 20494749302 in words is "twenty billion, four hundred ninety-four million, seven hundred forty-nine thousand, three hundred two".