20632256754 has 32 divisors (see below), whose sum is σ = 43744095360. Its totient is φ = 6465123072.

The previous prime is 20632256707. The next prime is 20632256803. The reversal of 20632256754 is 45765223602.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34969 + ... + 206124.

It is an arithmetic number, because the mean of its divisors is an integer number (1367002980).

Almost surely, 2^20632256754 is an apocalyptic number.

20632256754 is an abundant number, since it is smaller than the sum of its proper divisors (23111838606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20632256754 is a wasteful number, since it uses less digits than its factorization.

20632256754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241954.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 20632256754 in words is "twenty billion, six hundred thirty-two million, two hundred fifty-six thousand, seven hundred fifty-four".