20632455436 has 12 divisors (see below), whose sum is σ = 36788057712. Its totient is φ = 10121581808.

The previous prime is 20632455427. The next prime is 20632455469. The reversal of 20632455436 is 63455423602.

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, 48661240 + ... + 48661663.

It is an arithmetic number, because the mean of its divisors is an integer number (3065671476).

Almost surely, 2^20632455436 is an apocalyptic number.

It is an amenable number.

20632455436 is a deficient number, since it is larger than the sum of its proper divisors (16155602276).

20632455436 is a wasteful number, since it uses less digits than its factorization.

20632455436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97322960 (or 97322958 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 20632455436 in words is "twenty billion, six hundred thirty-two million, four hundred fifty-five thousand, four hundred thirty-six".