20055552441 has 4 divisors (see below), whose sum is σ = 26740736592. Its totient is φ = 13370368292.

The previous prime is 20055552431. The next prime is 20055552463. The reversal of 20055552441 is 14425555002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20055552441 - 2¹⁴ = 20055536057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20055552431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3342592071 + ... + 3342592076.

It is an arithmetic number, because the mean of its divisors is an integer number (6685184148).

Almost surely, 2^20055552441 is an apocalyptic number.

It is an amenable number.

20055552441 is a deficient number, since it is larger than the sum of its proper divisors (6685184151).

20055552441 is an equidigital number, since it uses as much as digits as its factorization.

20055552441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685184150.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 20055552441 in words is "twenty billion, fifty-five million, five hundred fifty-two thousand, four hundred forty-one".