20466365452 has 12 divisors (see below), whose sum is σ = 38571227296. Its totient is φ = 9446014800.

The previous prime is 20466365449. The next prime is 20466365453. The reversal of 20466365452 is 25456366402.

It is a super-2 number, since 2×20466365452² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20466365399 and 20466365408.

It is not an unprimeable number, because it can be changed into a prime (20466365453) 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 3 ways as a sum of consecutive naturals, for example, 196791924 + ... + 196792027.

Almost surely, 2^20466365452 is an apocalyptic number.

It is an amenable number.

20466365452 is a deficient number, since it is larger than the sum of its proper divisors (18104861844).

20466365452 is a wasteful number, since it uses less digits than its factorization.

20466365452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393583968 (or 393583966 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 20466365452 in words is "twenty billion, four hundred sixty-six million, three hundred sixty-five thousand, four hundred fifty-two".