20434123014 has 32 divisors (see below), whose sum is σ = 41528440800. Its totient is φ = 6702154752.

The previous prime is 20434122991. The next prime is 20434123027. The reversal of 20434123014 is 41032143402.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 789 + ... + 202160.

It is an arithmetic number, because the mean of its divisors is an integer number (1297763775).

Almost surely, 2^20434123014 is an apocalyptic number.

20434123014 is an abundant number, since it is smaller than the sum of its proper divisors (21094317786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20434123014 is a wasteful number, since it uses less digits than its factorization.

20434123014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203224.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20434123014 its reverse (41032143402), we get a palindrome (61466266416).

The spelling of 20434123014 in words is "twenty billion, four hundred thirty-four million, one hundred twenty-three thousand, fourteen".