20553246363061 has 8 divisors (see below), whose sum is σ = 21262378488120. Its totient is φ = 19844140870848.

The previous prime is 20553246363059. The next prime is 20553246363149. The reversal of 20553246363061 is 16036364235502.

It can be written as a sum of positive squares in 4 ways, for example, as 755107122961 + 19798139240100 = 868969^2 + 4449510^2 .

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 20553246363061 - 2¹ = 20553246363059 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 (20553246393061) 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, 5081806 + ... + 8181151.

It is an arithmetic number, because the mean of its divisors is an integer number (2657797311015).

Almost surely, 2^{20553246363061} is an apocalyptic number.

It is an amenable number.

20553246363061 is a deficient number, since it is larger than the sum of its proper divisors (709132125059).

20553246363061 is a wasteful number, since it uses less digits than its factorization.

20553246363061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13316423.

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 20553246363061 in words is "twenty trillion, five hundred fifty-three billion, two hundred forty-six million, three hundred sixty-three thousand, sixty-one".