20083696749 has 36 divisors (see below), whose sum is σ = 30644726112. Its totient is φ = 12672946800.

The previous prime is 20083696729. The next prime is 20083696757. The reversal of 20083696749 is 94769638002.

It is a happy number.

20083696749 is a `hidden beast` number, since 200 + 8 + 369 + 6 + 74 + 9 = 666.

It is not a de Polignac number, because 20083696749 - 2⁷ = 20083696621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20083696695 and 20083696704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20083696729) 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 35 ways as a sum of consecutive naturals, for example, 4907194 + ... + 4911284.

It is an arithmetic number, because the mean of its divisors is an integer number (851242392).

Almost surely, 2^20083696749 is an apocalyptic number.

It is an amenable number.

20083696749 is a deficient number, since it is larger than the sum of its proper divisors (10561029363).

20083696749 is a wasteful number, since it uses less digits than its factorization.

20083696749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646 (or 5624 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 20083696749 in words is "twenty billion, eighty-three million, six hundred ninety-six thousand, seven hundred forty-nine".