20531041055 has 8 divisors (see below), whose sum is σ = 28156856352. Its totient is φ = 14078428128.

The previous prime is 20531041051. The next prime is 20531041079. The reversal of 20531041055 is 55014013502.

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 20531041055 - 2² = 20531041051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20531041051) 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, 293300552 + ... + 293300621.

It is an arithmetic number, because the mean of its divisors is an integer number (3519607044).

Almost surely, 2^20531041055 is an apocalyptic number.

20531041055 is a deficient number, since it is larger than the sum of its proper divisors (7625815297).

20531041055 is an equidigital number, since it uses as much as digits as its factorization.

20531041055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586601185.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 20531041055 its reverse (55014013502), we get a palindrome (75545054557).

The spelling of 20531041055 in words is "twenty billion, five hundred thirty-one million, forty-one thousand, fifty-five".