20434231514 has 8 divisors (see below), whose sum is σ = 31229674740. Its totient is φ = 10024339936.

The previous prime is 20434231487. The next prime is 20434231579. The reversal of 20434231514 is 41513243402.

It can be written as a sum of positive squares in 2 ways, for example, as 20429842489 + 4389025 = 142933^2 + 2095^2 .

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

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, 96387779 + ... + 96387990.

Almost surely, 2^20434231514 is an apocalyptic number.

20434231514 is a deficient number, since it is larger than the sum of its proper divisors (10795443226).

20434231514 is a wasteful number, since it uses less digits than its factorization.

20434231514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192775824.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20434231514 its reverse (41513243402), we get a palindrome (61947474916).

The spelling of 20434231514 in words is "twenty billion, four hundred thirty-four million, two hundred thirty-one thousand, five hundred fourteen".