20455572247753 has 8 divisors (see below), whose sum is σ = 20461025160576. Its totient is φ = 20450119626000.

The previous prime is 20455572247657. The next prime is 20455572247793. The reversal of 20455572247753 is 35774227555402.

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 20455572247753 - 2⁹ = 20455572247241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20455572247793) 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, 248504703 + ... + 248587003.

It is an arithmetic number, because the mean of its divisors is an integer number (2557628145072).

Almost surely, 2^{20455572247753} is an apocalyptic number.

It is an amenable number.

20455572247753 is a deficient number, since it is larger than the sum of its proper divisors (5452912823).

20455572247753 is an equidigital number, since it uses as much as digits as its factorization.

20455572247753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145535.

The product of its (nonzero) digits is 82320000, while the sum is 58.

The spelling of 20455572247753 in words is "twenty trillion, four hundred fifty-five billion, five hundred seventy-two million, two hundred forty-seven thousand, seven hundred fifty-three".