20069697031 has 2 divisors, whose sum is σ = 20069697032. Its totient is φ = 20069697030.

The previous prime is 20069696947. The next prime is 20069697077. The reversal of 20069697031 is 13079696002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20069697031 - 2²⁹ = 19532826119 is a prime.

It is a super-2 number, since 2×20069697031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20069697091) 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 as a sum of consecutive naturals, namely, 10034848515 + 10034848516.

It is an arithmetic number, because the mean of its divisors is an integer number (10034848516).

Almost surely, 2^20069697031 is an apocalyptic number.

20069697031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20069697031 is an equidigital number, since it uses as much as digits as its factorization.

20069697031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 20069697031 in words is "twenty billion, sixty-nine million, six hundred ninety-seven thousand, thirty-one".