20039281234 has 8 divisors (see below), whose sum is σ = 34353053568. Its totient is φ = 8588263380.

The previous prime is 20039281159. The next prime is 20039281243. The reversal of 20039281234 is 43218293002.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20039281234.

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, 715688602 + ... + 715688629.

It is an arithmetic number, because the mean of its divisors is an integer number (4294131696).

Almost surely, 2^20039281234 is an apocalyptic number.

20039281234 is a deficient number, since it is larger than the sum of its proper divisors (14313772334).

20039281234 is a wasteful number, since it uses less digits than its factorization.

20039281234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431377240.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 20039281234 in words is "twenty billion, thirty-nine million, two hundred eighty-one thousand, two hundred thirty-four".