20466063769 has 8 divisors (see below), whose sum is σ = 21612502080. Its totient is φ = 19326553200.

The previous prime is 20466063763. The next prime is 20466063811. The reversal of 20466063769 is 96736066402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20466063769 is a prime.

It is a super-2 number, since 2×20466063769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20466063763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725862 + ... + 1737679.

It is an arithmetic number, because the mean of its divisors is an integer number (2701562760).

Almost surely, 2^20466063769 is an apocalyptic number.

It is an amenable number.

20466063769 is a deficient number, since it is larger than the sum of its proper divisors (1146438311).

20466063769 is a wasteful number, since it uses less digits than its factorization.

20466063769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463871.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 20466063769 in words is "twenty billion, four hundred sixty-six million, sixty-three thousand, seven hundred sixty-nine".