20013653366755 has 8 divisors (see below), whose sum is σ = 24021601618032. Its totient is φ = 16007444308128.

The previous prime is 20013653366747. The next prime is 20013653366783. The reversal of 20013653366755 is 55766335631002.

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 20013653366755 - 2³ = 20013653366747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434772844 + ... + 434818873.

It is an arithmetic number, because the mean of its divisors is an integer number (3002700202254).

Almost surely, 2^{20013653366755} is an apocalyptic number.

20013653366755 is a deficient number, since it is larger than the sum of its proper divisors (4007948251277).

20013653366755 is an equidigital number, since it uses as much as digits as its factorization.

20013653366755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869596325.

The product of its (nonzero) digits is 10206000, while the sum is 52.

Adding to 20013653366755 its reverse (55766335631002), we get a palindrome (75779988997757).

The spelling of 20013653366755 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, three hundred sixty-six thousand, seven hundred fifty-five".