20751802382 has 8 divisors (see below), whose sum is σ = 31154704176. Its totient is φ = 10366900992.

The previous prime is 20751802381. The next prime is 20751802387. The reversal of 20751802382 is 28320815702.

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 (20751802381) 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, 4497218 + ... + 4501829.

It is an arithmetic number, because the mean of its divisors is an integer number (3894338022).

Almost surely, 2^20751802382 is an apocalyptic number.

20751802382 is a deficient number, since it is larger than the sum of its proper divisors (10402901794).

20751802382 is a wasteful number, since it uses less digits than its factorization.

20751802382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000202.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 20751802382 in words is "twenty billion, seven hundred fifty-one million, eight hundred two thousand, three hundred eighty-two".