20432550444 has 48 divisors (see below), whose sum is σ = 50772300768. Its totient is φ = 6373147648.

The previous prime is 20432550443. The next prime is 20432550487. The reversal of 20432550444 is 44405523402.

It is not an unprimeable number, because it can be changed into a prime (20432550443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254187 + ... + 324770.

It is an arithmetic number, because the mean of its divisors is an integer number (1057756266).

Almost surely, 2^20432550444 is an apocalyptic number.

It is an amenable number.

20432550444 is an abundant number, since it is smaller than the sum of its proper divisors (30339750324).

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

20432550444 is a wasteful number, since it uses less digits than its factorization.

20432550444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579154 (or 579152 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

The spelling of 20432550444 in words is "twenty billion, four hundred thirty-two million, five hundred fifty thousand, four hundred forty-four".