20452423677232 has 10 divisors (see below), whose sum is σ = 39626570874668. Its totient is φ = 10226211838608.

The previous prime is 20452423677139. The next prime is 20452423677251. The reversal of 20452423677232 is 23277632425402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639138239898 + ... + 639138239929.

Almost surely, 2^{20452423677232} is an apocalyptic number.

It is an amenable number.

20452423677232 is a deficient number, since it is larger than the sum of its proper divisors (19174147197436).

20452423677232 is a wasteful number, since it uses less digits than its factorization.

20452423677232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278276479835 (or 1278276479829 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 49.

The spelling of 20452423677232 in words is "twenty trillion, four hundred fifty-two billion, four hundred twenty-three million, six hundred seventy-seven thousand, two hundred thirty-two".