20554644230 has 32 divisors (see below), whose sum is σ = 37553846400. Its totient is φ = 8098900992.

The previous prime is 20554644217. The next prime is 20554644247. The reversal of 20554644230 is 3244645502.

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 15 ways as a sum of consecutive naturals, for example, 312026 + ... + 372114.

It is an arithmetic number, because the mean of its divisors is an integer number (1173557700).

Almost surely, 2^20554644230 is an apocalyptic number.

20554644230 is a deficient number, since it is larger than the sum of its proper divisors (16999202170).

20554644230 is a wasteful number, since it uses less digits than its factorization.

20554644230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60608.

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 20554644230 in words is "twenty billion, five hundred fifty-four million, six hundred forty-four thousand, two hundred thirty".