20546442444 has 48 divisors (see below), whose sum is σ = 52395831936. Its totient is φ = 6214790400.

The previous prime is 20546442421. The next prime is 20546442467. The reversal of 20546442444 is 44424464502.

It is an interprime number because it is at equal distance from previous prime (20546442421) and next prime (20546442467).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70077 + ... + 214484.

It is an arithmetic number, because the mean of its divisors is an integer number (1091579832).

Almost surely, 2^20546442444 is an apocalyptic number.

It is an amenable number.

20546442444 is an abundant number, since it is smaller than the sum of its proper divisors (31849389492).

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

20546442444 is a wasteful number, since it uses less digits than its factorization.

20546442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285126 (or 285124 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 39.

The spelling of 20546442444 in words is "twenty billion, five hundred forty-six million, four hundred forty-two thousand, four hundred forty-four".