20069697011 has 16 divisors (see below), whose sum is σ = 25497980928. Its totient is φ = 15367082400.

The previous prime is 20069696947. The next prime is 20069697031. The reversal of 20069697011 is 11079696002.

It is a cyclic number.

It is not a de Polignac number, because 20069697011 - 2⁶ = 20069696947 is a prime.

It is a super-2 number, since 2×20069697011² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 20069697011.

It is not an unprimeable number, because it can be changed into a prime (20069697031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3554375 + ... + 3560016.

It is an arithmetic number, because the mean of its divisors is an integer number (1593623808).

Almost surely, 2^20069697011 is an apocalyptic number.

20069697011 is a deficient number, since it is larger than the sum of its proper divisors (5428283917).

20069697011 is a wasteful number, since it uses less digits than its factorization.

20069697011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114442.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 20069697011 in words is "twenty billion, sixty-nine million, six hundred ninety-seven thousand, eleven".