20464616332 has 12 divisors (see below), whose sum is σ = 35993045200. Its totient is φ = 10180889136.

The previous prime is 20464616323. The next prime is 20464616339. The reversal of 20464616332 is 23361646402.

It is a happy number.

It is a super-2 number, since 2×20464616332² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20464616291 and 20464616300.

It is not an unprimeable number, because it can be changed into a prime (20464616339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12853863 + ... + 12855454.

Almost surely, 2^20464616332 is an apocalyptic number.

It is an amenable number.

20464616332 is a deficient number, since it is larger than the sum of its proper divisors (15528428868).

20464616332 is a wasteful number, since it uses less digits than its factorization.

20464616332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25709520 (or 25709518 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 20464616332 in words is "twenty billion, four hundred sixty-four million, six hundred sixteen thousand, three hundred thirty-two".