20220443541 has 24 divisors (see below), whose sum is σ = 30317773824. Its totient is φ = 12977177760.

The previous prime is 20220443533. The next prime is 20220443641. The reversal of 20220443541 is 14534402202.

20220443541 is a `hidden beast` number, since 2 + 0 + 220 + 4 + 435 + 4 + 1 = 666.

It is not a de Polignac number, because 20220443541 - 2³ = 20220443533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220443641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366021 + ... + 417626.

It is an arithmetic number, because the mean of its divisors is an integer number (1263240576).

Almost surely, 2^20220443541 is an apocalyptic number.

It is an amenable number.

20220443541 is a deficient number, since it is larger than the sum of its proper divisors (10097330283).

20220443541 is a wasteful number, since it uses less digits than its factorization.

20220443541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783761 (or 783758 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20220443541 its reverse (14534402202), we get a palindrome (34754845743).

It can be divided in two parts, 20220 and 443541, that added together give a square (463761 = 681²).

The spelling of 20220443541 in words is "twenty billion, two hundred twenty million, four hundred forty-three thousand, five hundred forty-one".