20336837037 has 16 divisors (see below), whose sum is σ = 29585785152. Its totient is φ = 12323301120.

The previous prime is 20336837033. The next prime is 20336837041. The reversal of 20336837037 is 73073863302.

It is an interprime number because it is at equal distance from previous prime (20336837033) and next prime (20336837041).

It is not a de Polignac number, because 20336837037 - 2² = 20336837033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20336837037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20336837033) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 162933 + ... + 259269.

It is an arithmetic number, because the mean of its divisors is an integer number (1849111572).

Almost surely, 2^20336837037 is an apocalyptic number.

It is an amenable number.

20336837037 is a deficient number, since it is larger than the sum of its proper divisors (9248948115).

20336837037 is a wasteful number, since it uses less digits than its factorization.

20336837037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102748.

The product of its (nonzero) digits is 381024, while the sum is 42.

The spelling of 20336837037 in words is "twenty billion, three hundred thirty-six million, eight hundred thirty-seven thousand, thirty-seven".