20769732037 has 2 divisors, whose sum is σ = 20769732038. Its totient is φ = 20769732036.

The previous prime is 20769732013. The next prime is 20769732041. The reversal of 20769732037 is 73023796702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11225614401 + 9544117636 = 105951^2 + 97694^2 .

It is a cyclic number.

It is not a de Polignac number, because 20769732037 - 2⁷ = 20769731909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20769732937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10384866018 + 10384866019.

It is an arithmetic number, because the mean of its divisors is an integer number (10384866019).

Almost surely, 2^20769732037 is an apocalyptic number.

It is an amenable number.

20769732037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20769732037 is an equidigital number, since it uses as much as digits as its factorization.

20769732037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 666792, while the sum is 46.

The spelling of 20769732037 in words is "twenty billion, seven hundred sixty-nine million, seven hundred thirty-two thousand, thirty-seven".