20055431032049 has 8 divisors (see below), whose sum is σ = 23917035765120. Its totient is φ = 16442962088256.

The previous prime is 20055431032033. The next prime is 20055431032069. The reversal of 20055431032049 is 94023013455002.

It is a happy number.

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 20055431032049 - 2⁴ = 20055431032033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20055431032069) 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, 62283947144 + ... + 62283947465.

It is an arithmetic number, because the mean of its divisors is an integer number (2989629470640).

Almost surely, 2^{20055431032049} is an apocalyptic number.

It is an amenable number.

20055431032049 is a deficient number, since it is larger than the sum of its proper divisors (3861604733071).

20055431032049 is a wasteful number, since it uses less digits than its factorization.

20055431032049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124567894639.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 20055431032049 in words is "twenty trillion, fifty-five billion, four hundred thirty-one million, thirty-two thousand, forty-nine".