20140734737 has 16 divisors (see below), whose sum is σ = 21537169920. Its totient is φ = 18790508352.

The previous prime is 20140734641. The next prime is 20140734763. The reversal of 20140734737 is 73743704102.

It is a de Polignac number, because none of the positive numbers 2^k-20140734737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20140734737.

It is not an unprimeable number, because it can be changed into a prime (20140734337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284939 + ... + 348527.

It is an arithmetic number, because the mean of its divisors is an integer number (1346073120).

Almost surely, 2^20140734737 is an apocalyptic number.

It is an amenable number.

20140734737 is a deficient number, since it is larger than the sum of its proper divisors (1396435183).

20140734737 is a wasteful number, since it uses less digits than its factorization.

20140734737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63952.

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 20140734737 in words is "twenty billion, one hundred forty million, seven hundred thirty-four thousand, seven hundred thirty-seven".