20550243414 has 16 divisors (see below), whose sum is σ = 41105028528. Its totient is φ = 6849324192.

The previous prime is 20550243361. The next prime is 20550243437. The reversal of 20550243414 is 41434205502.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 128937 + ... + 240260.

It is an arithmetic number, because the mean of its divisors is an integer number (2569064283).

Almost surely, 2^20550243414 is an apocalyptic number.

20550243414 is an abundant number, since it is smaller than the sum of its proper divisors (20554785114).

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

20550243414 is a wasteful number, since it uses less digits than its factorization.

20550243414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378479.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20550243414 its reverse (41434205502), we get a palindrome (61984448916).

The spelling of 20550243414 in words is "twenty billion, five hundred fifty million, two hundred forty-three thousand, four hundred fourteen".