20069452611 has 24 divisors (see below), whose sum is σ = 31235284080. Its totient is φ = 12344049216.

The previous prime is 20069452609. The next prime is 20069452633. The reversal of 20069452611 is 11625496002.

It is not a de Polignac number, because 20069452611 - 2¹ = 20069452609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20069459611) 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 in 23 ways as a sum of consecutive naturals, for example, 188205 + ... + 274881.

It is an arithmetic number, because the mean of its divisors is an integer number (1301470170).

Almost surely, 2^20069452611 is an apocalyptic number.

20069452611 is a deficient number, since it is larger than the sum of its proper divisors (11165831469).

20069452611 is a wasteful number, since it uses less digits than its factorization.

20069452611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88675 (or 88672 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 20069452611 in words is "twenty billion, sixty-nine million, four hundred fifty-two thousand, six hundred eleven".