20703700038 has 32 divisors (see below), whose sum is σ = 47340808704. Its totient is φ = 5913084672.

The previous prime is 20703700009. The next prime is 20703700049. The reversal of 20703700038 is 83000730702.

It is a junction number, because it is equal to n+sod(n) for n = 20703699978 and 20703700014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18831 + ... + 204357.

It is an arithmetic number, because the mean of its divisors is an integer number (1479400272).

Almost surely, 2^20703700038 is an apocalyptic number.

20703700038 is an abundant number, since it is smaller than the sum of its proper divisors (26637108666).

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

20703700038 is a wasteful number, since it uses less digits than its factorization.

20703700038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188196.

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 20703700038 in words is "twenty billion, seven hundred three million, seven hundred thousand, thirty-eight".