20548260444 has 48 divisors (see below), whose sum is σ = 51250832640. Its totient is φ = 6391820160.

The previous prime is 20548260443. The next prime is 20548260493. The reversal of 20548260444 is 44406284502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20548260443) 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, 896614 + ... + 919245.

It is an arithmetic number, because the mean of its divisors is an integer number (1067725680).

Almost surely, 2^20548260444 is an apocalyptic number.

It is an amenable number.

20548260444 is an abundant number, since it is smaller than the sum of its proper divisors (30702572196).

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

20548260444 is a wasteful number, since it uses less digits than its factorization.

20548260444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815930 (or 1815928 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 39.

The spelling of 20548260444 in words is "twenty billion, five hundred forty-eight million, two hundred sixty thousand, four hundred forty-four".