20005455332 has 12 divisors (see below), whose sum is σ = 35031076080. Its totient is φ = 9996576456.

The previous prime is 20005455307. The next prime is 20005455383. The reversal of 20005455332 is 23355450002.

It is a junction number, because it is equal to n+sod(n) for n = 20005455295 and 20005455304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1530482 + ... + 1543497.

It is an arithmetic number, because the mean of its divisors is an integer number (2919256340).

Almost surely, 2^20005455332 is an apocalyptic number.

It is an amenable number.

20005455332 is a deficient number, since it is larger than the sum of its proper divisors (15025620748).

20005455332 is a wasteful number, since it uses less digits than its factorization.

20005455332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075610 (or 3075608 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The spelling of 20005455332 in words is "twenty billion, five million, four hundred fifty-five thousand, three hundred thirty-two".