20140302040 has 32 divisors (see below), whose sum is σ = 45444084480. Its totient is φ = 8033293312.

The previous prime is 20140302011. The next prime is 20140302059. The reversal of 20140302040 is 4020304102.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 699064 + ... + 727303.

It is an arithmetic number, because the mean of its divisors is an integer number (1420127640).

Almost surely, 2^20140302040 is an apocalyptic number.

20140302040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20140302040 is an abundant number, since it is smaller than the sum of its proper divisors (25303782440).

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

20140302040 is a wasteful number, since it uses less digits than its factorization.

20140302040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426731 (or 1426727 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20140302040 its reverse (4020304102), we get a palindrome (24160606142).

The spelling of 20140302040 in words is "twenty billion, one hundred forty million, three hundred two thousand, forty".