20040038582 has 8 divisors (see below), whose sum is σ = 30065660352. Its totient is φ = 10018151800.

The previous prime is 20040038581. The next prime is 20040038591. The reversal of 20040038582 is 28583004002.

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 (20040038581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920294 + ... + 941817.

It is an arithmetic number, because the mean of its divisors is an integer number (3758207544).

Almost surely, 2^20040038582 is an apocalyptic number.

20040038582 is a deficient number, since it is larger than the sum of its proper divisors (10025621770).

20040038582 is a wasteful number, since it uses less digits than its factorization.

20040038582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867494.

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 20040038582 in words is "twenty billion, forty million, thirty-eight thousand, five hundred eighty-two".