20001303937 has 2 divisors, whose sum is σ = 20001303938. Its totient is φ = 20001303936.

The previous prime is 20001303923. The next prime is 20001303989. The reversal of 20001303937 is 73930310002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14087078721 + 5914225216 = 118689^2 + 76904^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001303937 - 2¹⁹ = 20000779649 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001303737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000651968 + 10000651969.

It is an arithmetic number, because the mean of its divisors is an integer number (10000651969).

Almost surely, 2^20001303937 is an apocalyptic number.

It is an amenable number.

20001303937 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001303937 is an equidigital number, since it uses as much as digits as its factorization.

20001303937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 28.

Adding to 20001303937 its reverse (73930310002), we get a palindrome (93931613939).

The spelling of 20001303937 in words is "twenty billion, one million, three hundred three thousand, nine hundred thirty-seven".