20555325211253 has 8 divisors (see below), whose sum is σ = 23492280028608. Its totient is φ = 17618490340704.

The previous prime is 20555325211237. The next prime is 20555325211313. The reversal of 20555325211253 is 35211252355502.

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 20555325211253 - 2⁴ = 20555325211237 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 20555325211253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20555325213253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29619176 + ... + 30305217.

It is an arithmetic number, because the mean of its divisors is an integer number (2936535003576).

Almost surely, 2^{20555325211253} is an apocalyptic number.

It is an amenable number.

20555325211253 is a deficient number, since it is larger than the sum of its proper divisors (2936954817355).

20555325211253 is an equidigital number, since it uses as much as digits as its factorization.

20555325211253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59973403.

The product of its (nonzero) digits is 450000, while the sum is 41.

Adding to 20555325211253 its reverse (35211252355502), we get a palindrome (55766577566755).

The spelling of 20555325211253 in words is "twenty trillion, five hundred fifty-five billion, three hundred twenty-five million, two hundred eleven thousand, two hundred fifty-three".