20552554441 has 8 divisors (see below), whose sum is σ = 20644755264. Its totient is φ = 20460504240.

The previous prime is 20552554439. The next prime is 20552554459. The reversal of 20552554441 is 14445525502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20552554441 - 2¹ = 20552554439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20552554441.

It is not an unprimeable number, because it can be changed into a prime (20552554411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240436 + ... + 314506.

It is an arithmetic number, because the mean of its divisors is an integer number (2580594408).

Almost surely, 2^20552554441 is an apocalyptic number.

It is an amenable number.

20552554441 is a deficient number, since it is larger than the sum of its proper divisors (92200823).

20552554441 is an equidigital number, since it uses as much as digits as its factorization.

20552554441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75311.

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 20552554441 in words is "twenty billion, five hundred fifty-two million, five hundred fifty-four thousand, four hundred forty-one".