20699250588703 has 2 divisors, whose sum is σ = 20699250588704. Its totient is φ = 20699250588702.

The previous prime is 20699250588641. The next prime is 20699250588713. The reversal of 20699250588703 is 30788505299602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20699250588703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20699250588713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10349625294351 + 10349625294352.

It is an arithmetic number, because the mean of its divisors is an integer number (10349625294352).

Almost surely, 2^{20699250588703} is an apocalyptic number.

20699250588703 is a deficient number, since it is larger than the sum of its proper divisors (1).

20699250588703 is an equidigital number, since it uses as much as digits as its factorization.

20699250588703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 20699250588703 in words is "twenty trillion, six hundred ninety-nine billion, two hundred fifty million, five hundred eighty-eight thousand, seven hundred three".