20140243012 has 12 divisors (see below), whose sum is σ = 35385847056. Its totient is φ = 10030001000.

The previous prime is 20140242943. The next prime is 20140243021. The reversal of 20140243012 is 21034204102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10028998 + ... + 10031005.

It is an arithmetic number, because the mean of its divisors is an integer number (2948820588).

Almost surely, 2^20140243012 is an apocalyptic number.

It is an amenable number.

20140243012 is a deficient number, since it is larger than the sum of its proper divisors (15245604044).

20140243012 is a wasteful number, since it uses less digits than its factorization.

20140243012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20060258 (or 20060256 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20140243012 its reverse (21034204102), we get a palindrome (41174447114).

It can be divided in two parts, 2014024 and 3012, that added together give a triangular number (2017036 = T₂₀₀₈).

The spelling of 20140243012 in words is "twenty billion, one hundred forty million, two hundred forty-three thousand, twelve".